stunnel-users

3306 discussions

Stunnel performance about multiple session
by Yuqiong Sun 27 Aug '12

27 Aug '12

Hi, I am using stunnel as an encrypted channel between one server and multiple clients. Each client will transfer a very small piece of data every 20 seconds. Therefore I want to compare the tradeoff between maintaining multiple sessions with tearing down and re-establish connection every time. I read the performance table in stunnel doc and got a brief idea, but I hope to evaluate the performance for my specific hardware and software setup to make a better decision. I guess my question is how to measure the Max. concurrent sessions? Should I start multiple stunnel instances on client side? Also, how can I tear down a connection automatically after each time data transfer? Thanks Yuqiong

2 1

Behavior
by Javier 17 Aug '12

17 Aug '12

Hi, I want to report 2 different behaviors, one, related to logs and, the other, to close delay. - About the logs, there is a funny thing. If you reload stunnel.conf the log style and amount of information differs from the starting one. I'm under Windows 2000 and these are the general options in stunnel.conf: debug = debug delay = yes output = stunnel.log fips = no The differences can be seen in the attached text file. First part is how is being seen if you don't reload the conf file. The second, after you reload. I, by myself, prefer the second log style. - About the close delay, I don't know when it started to happen (maybe in the version you removed the multiple instance of stunnel or maybe later), but what happens is that stunnel delays about 1-2 seconds to close. It didn't happen before. It was immediately. And has nothing to do with how many services you have, it delays with one service or ten services or… whatever. My system specs, the same as above. But it happens in Windows XP as well, and with the latest 4.54 beta too (the one that has removed the annoying app error (thank you so much for this :-) )). Have a look to them ;-) and confirm if possible :-) Thanks.

1 0

Stunnel high memory usage?
by Matt Wise 16 Aug '12

16 Aug '12

We use Stunnel 4.5.2 in our environment of Ubuntu 10.04/12.04 systems in various clouds. We're leveraging PGPool for SSL encryption of a lot of different types of traffic ... Zookeeper, Postgresql, and AMQP traffic are some examples for us. Mostly everything works great .. its fast, and very reliable. I've just noticed though that on a particular group of machines we are seeing really high memory usage on the Stunnel process that seems to grow and grow over time. I found this Stunnel process using over 350MB of ram yesterday ... and on an m1.small in Amazon, thats a big chunk! Here's our client config file: > cert = /etc/stunnel/localhost-pgpool.pem > key = /etc/stunnel/localhost-pgpool.key > CAfile = /etc/stunnel/localhost-pgpool_ca.pem > verify = 2 > delay = no > sslVersion = TLSv1 > client = yes > setuid = stunnel4 > setgid = stunnel4 > pid = /var/lib/stunnel4/localhost-pgpool.stunnel4.pid > socket = l:TCP_NODELAY=1 > socket = r:TCP_NODELAY=1 > TIMEOUTconnect = 2 > session = 86400 > debug = 4 > [localhost-pgpool] > accept = 127.0.0.1:5001 > failover = rr > connect = prod-pgpool1-uswest1:6433 > connect = prod-pgpool2-uswest1:6433 My first thought was that perhaps the Session cache was too large... so I dropped it to '3600'. Now instead of 360MB, I'm seeing Stunnel sit at around 170MB. Is the session ID cache just caching thousands and thousands of new session IDs without properly re-using them? It seems like the session ID cache should never have more than: Currently_Used_Session_IDs + Session_IDs_unused_but_last_used_within_the_last_hour Any thoughts on what might be going on? --Matt

1 0

Application Failed to Initialize Properly (0xc0150002)
by Thomas Eifert 09 Aug '12

09 Aug '12

New problem here. Stunnel version 4.53. I just did a fresh install of Windows XP Pro x86 SP3, and did all the Windows updates as well. Whenever I try to launch Stunnel or install the service, I get the error: "Application Failed to Initialize Properly (0xc0150002)" I've never seen this before. I thought it might have something to do with not having the Visual C++ Redistributables, so I installed those too, with the same result. Has anyone else seen this issue? Regards, Thomas -- Attention: This message and all attachments are private and may contain information that is confidential and privileged. If you received this message in error, please notify the sender by reply email and delete the message immediately.

3 4

Stunnel waits for a long time if client does not negotiate SSL
by Denis Solovyov 09 Aug '12

09 Aug '12

Hello, I use stunnel 4.53 to provide pop3s for existing pop3 service. I start stunnel from xinetd, and then exec pop3 utility from stunnel. If a legal pop3s client connects to a server, everything's fine. But if I try to do "telnet host 995" with a simple telnet client and then just do nothing (or even close telnet client without quitting) stunnel process keeps waiting for a very long time (actually maybe forever, I just kill it). The last line in log in such case "Service [stunnel] accepted connection from xx.xx.xx.xx:xxxx". No stunnel TIMEOUT* options have effect in this situation. What can I do to avoid such "waiting"? Maybe stunnel should have something like "SSL negotiation timeout"? Or is there a way to emulate it? (Analyzing `ps` or `netstat` is a bad idea of course.) With the best regards, Denis Solovyov

2 3

Re: [stunnel-users] Application Failed to Initialize Properly (0xc0150002)
by Generic Poster 08 Aug '12

08 Aug '12

Hi Thomas, I have the exact same error when trying to run stunnel on a virtual XP machine under windows 7. I asked here and the only reply I got was that it sounded like a configuration problem. I have tried everything I can think of, but to no avail. I just gave up trying in the end. Wednesday, August 8, 2012, 2:20:43 AM, you wrote: > New problem here. Stunnel version 4.53. > I just did a fresh install of Windows XP Pro x86 SP3, and did all the > Windows updates as well. > Whenever I try to launch Stunnel or install the service, I get the error: > "Application Failed to Initialize Properly (0xc0150002)" > I've never seen this before. I thought it might have something to do > with not having the Visual C++ Redistributables, so I installed those too, > with the same result. > Has anyone else seen this issue? > Regards, > Thomas -- Best regards, GP

2 1

Getting Stunnel to Work Under Windows 7 64-bit
by Hacker, Dietmar 06 Aug '12

06 Aug '12

Some thoughts about a thread from may: Stunnel works ok under Windows7 64bit. But: There are some windows7-specific security restraints one should be aware of: Windows7 does not allow programs to have write-access to c:\program files and c:\program files (x86) (win7 64bit). You can find the logfile in hidden directory c:\users\Youruser\appdata\local\virtualstore\program files\stunnel\stunnel.log ( Youruser is the windows user which started stunnel ) If you want a common logfile for all users, either you install stunnel in another writeable directory (security risk ?) or if installing in program files change your stunnel.conf file to have the log file in a writeable directory e.g. c:\temp or the standard common data directory c:\programData (also a hidden directory ) I use stunnel as a service and defined "output = c:\programData\stunnel\stunnel.log" stunnel writes there and only users with admin access could change the logfile. Dietmar Hacker

1 0

Build stunnel 4.53 binaries for windows error
by Anton Tkachev 01 Aug '12

01 Aug '12

Hey Guys, I'm trying to build stunnel 4.53 binaries for windows on Debian Squeeze x86 using instructions in INSTALL.W32 file. I use the latest openssl-1.0.1c (libssl-dev debian package installed also). At the last step 'make stunnel.exe' returns following error: # make stunnel.exe i586-mingw32msvc-gcc -c -I/usr/src/openssl-0.9.8s-fips/inc32 -mthreads -fstack-protector -O2 -Wall -Wextra -Wno-long-long -pedantic -o str.obj str.c In file included from str.c:38: common.h:392:33: error: openssl/opensslconf.h: No such file or directory common.h:405:27: error: openssl/lhash.h: No such file or directory common.h:406:25: error: openssl/ssl.h: No such file or directory common.h:407:25: error: openssl/err.h: No such file or directory common.h:408:66: error: openssl/crypto.h: No such file or directory common.h:409:26: error: openssl/rand.h: No such file or directory common.h:411:25: error: openssl/md4.h: No such file or directory common.h:413:25: error: openssl/des.h: No such file or directory common.h:417:28: error: openssl/engine.h: No such file or directory In file included from str.c:38: common.h:449: warning: return type defaults to ‘int’ common.h: In function ‘STACK_OF’: common.h:449: error: expected declaration specifiers before ‘*’ token In file included from str.c:39: prototypes.h:50: error: storage class specified for parameter ‘LOG_MODE’ prototypes.h:61: error: storage class specified for parameter ‘SOCKADDR_UNION’ prototypes.h:64: error: expected specifier-qualifier-list before ‘SOCKADDR_UNION’ prototypes.h:67: warning: struct has no members prototypes.h:67: error: storage class specified for parameter ‘SOCKADDR_LIST’ prototypes.h:72: error: storage class specified for parameter ‘COMP_TYPE’ prototypes.h:78: error: expected specifier-qualifier-list before ‘COMP_TYPE’ prototypes.h:114: warning: struct has no members prototypes.h:114: error: storage class specified for parameter ‘GLOBAL_OPTIONS’ prototypes.h:116: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘global_options’ prototypes.h:124: error: expected specifier-qualifier-list before ‘SSL_CTX’ prototypes.h:222: error: storage class specified for parameter ‘SERVICE_OPTIONS’ prototypes.h:224: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘service_options’ prototypes.h:236: error: storage class specified for parameter ‘VAL_TYPE’ prototypes.h:244: error: storage class specified for parameter ‘OPT_UNION’ prototypes.h:250: error: expected specifier-qualifier-list before ‘VAL_TYPE’ prototypes.h:252: error: storage class specified for parameter ‘SOCK_OPT’ prototypes.h:256: error: storage class specified for parameter ‘CONF_TYPE’ prototypes.h:269: error: storage class specified for parameter ‘s_poll_set’ prototypes.h:278: error: storage class specified for parameter ‘DISK_FILE’ prototypes.h:285: error: storage class specified for parameter ‘FD’ prototypes.h:290: error: storage class specified for parameter ‘max_clients’ prototypes.h:291: error: storage class specified for parameter ‘num_clients’ prototypes.h:327: warning: parameter names (without types) in function declaration prototypes.h:347: error: storage class specified for parameter ‘cli_index’ prototypes.h:347: error: storage class specified for parameter ‘opt_index’ prototypes.h:350: error: expected ‘)’ before ‘*’ token prototypes.h:355: error: expected declaration specifiers or ‘...’ before ‘CONF_TYPE’ prototypes.h:361: error: expected specifier-qualifier-list before ‘SERVICE_OPTIONS’ prototypes.h:363: warning: struct has no members prototypes.h:363: error: storage class specified for parameter ‘UI_DATA’ prototypes.h:365: error: expected ‘)’ before ‘*’ token prototypes.h:370: error: expected ‘)’ before ‘*’ token prototypes.h:374: error: expected declaration specifiers before ‘s_poll_set’ prototypes.h:375: error: expected ‘)’ before ‘*’ token prototypes.h:376: error: expected ‘)’ before ‘*’ token prototypes.h:377: error: expected ‘)’ before ‘*’ token prototypes.h:378: error: expected ‘)’ before ‘*’ token prototypes.h:379: error: expected ‘)’ before ‘*’ token prototypes.h:380: error: expected ‘)’ before ‘*’ token prototypes.h:381: error: expected ‘)’ before ‘*’ token prototypes.h:401: error: expected specifier-qualifier-list before ‘SSL’ prototypes.h:422: error: storage class specified for parameter ‘CLI’ prototypes.h:424: error: expected declaration specifiers before ‘CLI’ prototypes.h:426: error: expected ‘)’ before ‘*’ token prototypes.h:430: error: expected ‘)’ before ‘*’ token prototypes.h:431: error: expected ‘)’ before ‘*’ token prototypes.h:432: error: expected ‘)’ before ‘*’ token prototypes.h:433: error: expected ‘)’ before ‘*’ token prototypes.h:434: error: expected ‘)’ before ‘*’ token prototypes.h:436: error: expected ‘)’ before ‘*’ token prototypes.h:450: error: storage class specified for parameter ‘PROTOCOL_TYPE’ prototypes.h:453: error: expected ‘)’ before ‘*’ token prototypes.h:457: error: expected ‘)’ before ‘*’ token prototypes.h:458: error: expected ‘)’ before ‘*’ token prototypes.h:459: error: expected ‘)’ before ‘*’ token prototypes.h:460: error: expected ‘)’ before ‘*’ token prototypes.h:461: error: expected ‘)’ before ‘*’ token prototypes.h:462: warning: type defaults to ‘int’ in declaration of ‘SOCKADDR_UNION’ prototypes.h:462: error: expected ‘;’, ‘,’ or ‘)’ before ‘*’ token prototypes.h:493: error: storage class specified for parameter ‘SECTION_CODE’ prototypes.h:495: warning: parameter names (without types) in function declaration prototypes.h:496: warning: parameter names (without types) in function declaration prototypes.h:500: error: expected declaration specifiers or ‘...’ before ‘CLI’ prototypes.h:526: error: storage class specified for parameter ‘hwnd’ prototypes.h:530: error: expected ‘)’ before ‘*’ token prototypes.h:535: error: storage class specified for parameter ‘GETADDRINFO’ prototypes.h:536: error: storage class specified for parameter ‘FREEADDRINFO’ prototypes.h:538: error: storage class specified for parameter ‘GETNAMEINFO’ prototypes.h:539: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘s_getaddrinfo’ prototypes.h:540: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘s_freeaddrinfo’ prototypes.h:541: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘s_getnameinfo’ prototypes.h:550: error: expected declaration specifiers before ‘DISK_FILE’ prototypes.h:551: error: expected ‘)’ before ‘*’ token prototypes.h:552: error: expected ‘)’ before ‘*’ token prototypes.h:553: error: expected ‘)’ before ‘*’ token prototypes.h:563: error: expected ‘)’ before ‘*’ token str.c:49: error: storage class specified for parameter ‘canary’ str.c:50: error: storage class specified for parameter ‘canary_initialized’ str.c:50: error: parameter ‘canary_initialized’ is initialized str.c:52: error: storage class specified for parameter ‘ALLOC_LIST’ str.c:55: error: expected specifier-qualifier-list before ‘ALLOC_LIST’ str.c:57: warning: struct has no members str.c:57: error: storage class specified for parameter ‘ALLOC_TLS’ str.c:60: error: expected specifier-qualifier-list before ‘ALLOC_LIST’ str.c:67: warning: struct has no members str.c:59: warning: empty declaration str.c:73: error: expected ‘)’ before ‘*’ token str.c:74: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘*’ token str.c:75: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘*’ token str.c:77: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘{’ token str.c:85: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘{’ token str.c:95: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘{’ token str.c:175: error: storage class specified for parameter ‘tls_index’ str.c:177: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘{’ token str.c:181: error: expected ‘)’ before ‘*’ token str.c:185: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘*’ token str.c:191: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘{’ token str.c:198: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘{’ token str.c:210: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘{’ token str.c:228: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘{’ token str.c:262: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘{’ token str.c:291: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘{’ token str.c:315: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘{’ token str.c:326: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘*’ token common.h:449: warning: type of ‘SSL_COMP’ defaults to ‘int’ str.c:175: error: declaration for parameter ‘tls_index’ but no such parameter str.c:57: error: declaration for parameter ‘ALLOC_TLS’ but no such parameter str.c:52: error: declaration for parameter ‘ALLOC_LIST’ but no such parameter str.c:50: error: declaration for parameter ‘canary_initialized’ but no such parameter str.c:49: error: declaration for parameter ‘canary’ but no such parameter prototypes.h:581: error: declaration for parameter ‘str_printf’ but no such parameter prototypes.h:580: error: declaration for parameter ‘str_vprintf’ but no such parameter prototypes.h:579: error: declaration for parameter ‘str_dup’ but no such parameter prototypes.h:577: error: declaration for parameter ‘str_free_debug’ but no such parameter prototypes.h:575: error: declaration for parameter ‘str_detach_debug’ but no such parameter prototypes.h:573: error: declaration for parameter ‘str_realloc_debug’ but no such parameter prototypes.h:571: error: declaration for parameter ‘str_alloc_debug’ but no such parameter prototypes.h:570: error: declaration for parameter ‘str_stats’ but no such parameter prototypes.h:569: error: declaration for parameter ‘str_cleanup’ but no such parameter prototypes.h:568: error: declaration for parameter ‘str_canary_init’ but no such parameter prototypes.h:567: error: declaration for parameter ‘str_init’ but no such parameter prototypes.h:562: error: declaration for parameter ‘libwrap_init’ but no such parameter prototypes.h:557: error: declaration for parameter ‘tstr2str’ but no such parameter prototypes.h:556: error: declaration for parameter ‘str2tstr’ but no such parameter prototypes.h:537: error: declaration for parameter ‘GETNAMEINFO’ but no such parameter prototypes.h:536: error: declaration for parameter ‘FREEADDRINFO’ but no such parameter prototypes.h:534: error: declaration for parameter ‘GETADDRINFO’ but no such parameter prototypes.h:528: error: declaration for parameter ‘passwd_cb’ but no such parameter prototypes.h:526: error: declaration for parameter ‘hwnd’ but no such parameter prototypes.h:500: error: declaration for parameter ‘create_client’ but no such parameter prototypes.h:499: error: declaration for parameter ‘stunnel_thread_id’ but no such parameter prototypes.h:498: error: declaration for parameter ‘stunnel_process_id’ but no such parameter prototypes.h:497: error: declaration for parameter ‘sthreads_init’ but no such parameter prototypes.h:496: error: declaration for parameter ‘leave_critical_section’ but no such parameter prototypes.h:495: error: declaration for parameter ‘enter_critical_section’ but no such parameter prototypes.h:493: error: declaration for parameter ‘SECTION_CODE’ but no such parameter prototypes.h:479: error: declaration for parameter ‘local_getnameinfo’ but no such parameter prototypes.h:463: error: declaration for parameter ‘s_gai_strerror’ but no such parameter prototypes.h:452: error: declaration for parameter ‘find_protocol_id’ but no such parameter prototypes.h:450: error: declaration for parameter ‘PROTOCOL_TYPE’ but no such parameter prototypes.h:425: error: declaration for parameter ‘client_thread’ but no such parameter prototypes.h:422: error: declaration for parameter ‘CLI’ but no such parameter prototypes.h:395: error: declaration for parameter ‘make_sockets’ but no such parameter prototypes.h:394: error: declaration for parameter ‘get_socket_error’ but no such parameter prototypes.h:393: error: declaration for parameter ‘set_socket_options’ but no such parameter prototypes.h:366: error: declaration for parameter ‘sslerror’ but no such parameter prototypes.h:363: error: declaration for parameter ‘UI_DATA’ but no such parameter prototypes.h:356: error: declaration for parameter ‘apply_conf’ but no such parameter prototypes.h:355: error: declaration for parameter ‘parse_conf’ but no such parameter prototypes.h:354: error: declaration for parameter ‘parse_commandline’ but no such parameter prototypes.h:349: error: declaration for parameter ‘ssl_init’ but no such parameter prototypes.h:347: error: declaration for parameter ‘opt_index’ but no such parameter prototypes.h:347: error: declaration for parameter ‘cli_index’ but no such parameter prototypes.h:343: error: declaration for parameter ‘pty_allocate’ but no such parameter prototypes.h:339: error: declaration for parameter ‘s_strerror’ but no such parameter prototypes.h:338: error: declaration for parameter ‘log_error’ but no such parameter prototypes.h:337: error: declaration for parameter ‘sockerror’ but no such parameter prototypes.h:336: error: declaration for parameter ‘ioerror’ but no such parameter prototypes.h:334: error: declaration for parameter ‘fatal_debug’ but no such parameter prototypes.h:328: error: declaration for parameter ‘s_log’ but no such parameter prototypes.h:327: error: declaration for parameter ‘log_flush’ but no such parameter prototypes.h:326: error: declaration for parameter ‘log_close’ but no such parameter prototypes.h:325: error: declaration for parameter ‘log_open’ but no such parameter prototypes.h:317: error: declaration for parameter ‘set_nonblock’ but no such parameter prototypes.h:316: error: declaration for parameter ‘s_accept’ but no such parameter prototypes.h:315: error: declaration for parameter ‘s_socketpair’ but no such parameter prototypes.h:314: error: declaration for parameter ‘s_pipe’ but no such parameter prototypes.h:313: error: declaration for parameter ‘s_socket’ but no such parameter prototypes.h:311: error: declaration for parameter ‘get_limits’ but no such parameter prototypes.h:306: error: declaration for parameter ‘stunnel_info’ but no such parameter prototypes.h:302: error: declaration for parameter ‘signal_post’ but no such parameter prototypes.h:298: error: declaration for parameter ‘bind_ports’ but no such parameter prototypes.h:297: error: declaration for parameter ‘unbind_ports’ but no such parameter prototypes.h:296: error: declaration for parameter ‘daemon_loop’ but no such parameter prototypes.h:295: error: declaration for parameter ‘main_configure’ but no such parameter prototypes.h:294: error: declaration for parameter ‘main_initialize’ but no such parameter prototypes.h:291: error: declaration for parameter ‘num_clients’ but no such parameter prototypes.h:290: error: declaration for parameter ‘max_clients’ but no such parameter prototypes.h:285: error: declaration for parameter ‘FD’ but no such parameter prototypes.h:278: error: declaration for parameter ‘DISK_FILE’ but no such parameter prototypes.h:269: error: declaration for parameter ‘s_poll_set’ but no such parameter prototypes.h:256: error: declaration for parameter ‘CONF_TYPE’ but no such parameter prototypes.h:252: error: declaration for parameter ‘SOCK_OPT’ but no such parameter prototypes.h:244: error: declaration for parameter ‘OPT_UNION’ but no such parameter prototypes.h:236: error: declaration for parameter ‘VAL_TYPE’ but no such parameter prototypes.h:222: error: declaration for parameter ‘SERVICE_OPTIONS’ but no such parameter prototypes.h:114: error: declaration for parameter ‘GLOBAL_OPTIONS’ but no such parameter prototypes.h:72: error: declaration for parameter ‘COMP_TYPE’ but no such parameter prototypes.h:67: error: declaration for parameter ‘SOCKADDR_LIST’ but no such parameter prototypes.h:61: error: declaration for parameter ‘SOCKADDR_UNION’ but no such parameter prototypes.h:50: error: declaration for parameter ‘LOG_MODE’ but no such parameter str.c:342: error: expected ‘{’ at end of input common.h:449: warning: unused parameter ‘SSL_COMP’ str.c:175: warning: unused parameter ‘tls_index’ str.c:57: warning: unused parameter ‘ALLOC_TLS’ str.c:52: warning: unused parameter ‘ALLOC_LIST’ str.c:50: warning: unused parameter ‘canary_initialized’ str.c:49: warning: unused parameter ‘canary’ prototypes.h:581: warning: unused parameter ‘str_printf’ prototypes.h:580: warning: unused parameter ‘str_vprintf’ prototypes.h:579: warning: unused parameter ‘str_dup’ prototypes.h:577: warning: unused parameter ‘str_free_debug’ prototypes.h:575: warning: unused parameter ‘str_detach_debug’ prototypes.h:573: warning: unused parameter ‘str_realloc_debug’ prototypes.h:571: warning: unused parameter ‘str_alloc_debug’ prototypes.h:570: warning: unused parameter ‘str_stats’ prototypes.h:569: warning: unused parameter ‘str_cleanup’ prototypes.h:568: warning: unused parameter ‘str_canary_init’ prototypes.h:567: warning: unused parameter ‘str_init’ prototypes.h:562: warning: unused parameter ‘libwrap_init’ prototypes.h:557: warning: unused parameter ‘tstr2str’ prototypes.h:556: warning: unused parameter ‘str2tstr’ prototypes.h:537: warning: unused parameter ‘GETNAMEINFO’ prototypes.h:536: warning: unused parameter ‘FREEADDRINFO’ prototypes.h:534: warning: unused parameter ‘GETADDRINFO’ prototypes.h:528: warning: unused parameter ‘passwd_cb’ prototypes.h:526: warning: unused parameter ‘hwnd’ prototypes.h:500: warning: unused parameter ‘create_client’ prototypes.h:499: warning: unused parameter ‘stunnel_thread_id’ prototypes.h:498: warning: unused parameter ‘stunnel_process_id’ prototypes.h:497: warning: unused parameter ‘sthreads_init’ prototypes.h:496: warning: unused parameter ‘leave_critical_section’ prototypes.h:495: warning: unused parameter ‘enter_critical_section’ prototypes.h:493: warning: unused parameter ‘SECTION_CODE’ prototypes.h:479: warning: unused parameter ‘local_getnameinfo’ prototypes.h:463: warning: unused parameter ‘s_gai_strerror’ prototypes.h:452: warning: unused parameter ‘find_protocol_id’ prototypes.h:450: warning: unused parameter ‘PROTOCOL_TYPE’ prototypes.h:425: warning: unused parameter ‘client_thread’ prototypes.h:422: warning: unused parameter ‘CLI’ prototypes.h:395: warning: unused parameter ‘make_sockets’ prototypes.h:394: warning: unused parameter ‘get_socket_error’ prototypes.h:393: warning: unused parameter ‘set_socket_options’ prototypes.h:366: warning: unused parameter ‘sslerror’ prototypes.h:363: warning: unused parameter ‘UI_DATA’ prototypes.h:356: warning: unused parameter ‘apply_conf’ prototypes.h:355: warning: unused parameter ‘parse_conf’ prototypes.h:354: warning: unused parameter ‘parse_commandline’ prototypes.h:349: warning: unused parameter ‘ssl_init’ prototypes.h:347: warning: unused parameter ‘opt_index’ prototypes.h:347: warning: unused parameter ‘cli_index’ prototypes.h:343: warning: unused parameter ‘pty_allocate’ prototypes.h:339: warning: unused parameter ‘s_strerror’ prototypes.h:338: warning: unused parameter ‘log_error’ prototypes.h:337: warning: unused parameter ‘sockerror’ prototypes.h:336: warning: unused parameter ‘ioerror’ prototypes.h:334: warning: unused parameter ‘fatal_debug’ prototypes.h:328: warning: unused parameter ‘s_log’ prototypes.h:327: warning: unused parameter ‘log_flush’ prototypes.h:326: warning: unused parameter ‘log_close’ prototypes.h:325: warning: unused parameter ‘log_open’ prototypes.h:317: warning: unused parameter ‘set_nonblock’ prototypes.h:316: warning: unused parameter ‘s_accept’ prototypes.h:315: warning: unused parameter ‘s_socketpair’ prototypes.h:314: warning: unused parameter ‘s_pipe’ prototypes.h:313: warning: unused parameter ‘s_socket’ prototypes.h:311: warning: unused parameter ‘get_limits’ prototypes.h:306: warning: unused parameter ‘stunnel_info’ prototypes.h:302: warning: unused parameter ‘signal_post’ prototypes.h:298: warning: unused parameter ‘bind_ports’ prototypes.h:297: warning: unused parameter ‘unbind_ports’ prototypes.h:296: warning: unused parameter ‘daemon_loop’ prototypes.h:295: warning: unused parameter ‘main_configure’ prototypes.h:294: warning: unused parameter ‘main_initialize’ prototypes.h:291: warning: unused parameter ‘num_clients’ prototypes.h:290: warning: unused parameter ‘max_clients’ prototypes.h:285: warning: unused parameter ‘FD’ prototypes.h:278: warning: unused parameter ‘DISK_FILE’ prototypes.h:269: warning: unused parameter ‘s_poll_set’ prototypes.h:256: warning: unused parameter ‘CONF_TYPE’ prototypes.h:252: warning: unused parameter ‘SOCK_OPT’ prototypes.h:244: warning: unused parameter ‘OPT_UNION’ prototypes.h:236: warning: unused parameter ‘VAL_TYPE’ prototypes.h:222: warning: unused parameter ‘SERVICE_OPTIONS’ prototypes.h:114: warning: unused parameter ‘GLOBAL_OPTIONS’ prototypes.h:72: warning: unused parameter ‘COMP_TYPE’ prototypes.h:67: warning: unused parameter ‘SOCKADDR_LIST’ prototypes.h:61: warning: unused parameter ‘SOCKADDR_UNION’ prototypes.h:50: warning: unused parameter ‘LOG_MODE’ make: *** [str.obj] Error 1 It seems it has hardcoded path to openssl (/usr/src/openssl-0.9.8s-fips). I tried to change this path to the right one in Makefile*, but with no luck - I get the same error. I also tried to build stunnel with openssl-0.9.8s, but openssl configure command from the instruction doesn't work: root@debian:/usr/src/openssl-0.9.8s-i586# ./Configure --cross-compile-prefix=i586-mingw32msvc- mingw shared zlib-dynamic Usage: Configure [no-<cipher> ...] [enable-<cipher> ...] [experimental-<cipher> ...] [-Dxxx] [-lxxx] [-Lxxx] [-fxxx] [-Kxxx] [no-hw-xxx|no-hw] [[no-]threads] [[no-]shared] [[no-]zlib|zlib-dynamic] [enable-montasm] [no-asm] [no-dso] [no-krb5] [386] [--prefix=DIR] [--openssldir=OPENSSLDIR] [--with-xxx[=vvv]] [--test-sanity] os/compiler[:flags] Regards, Anton.

3 11

"application failed to initialize properly"
by Generic Poster 31 Jul '12

31 Jul '12

Hello Stunnel-users, Whenever I run Stunnel from a Windows 7 Virtual XP machine I receive the following error message: --------------------------- stunnel.exe - Application Error --------------------------- The application failed to initialize properly (0xc0150002). Click on OK to terminate the application. --------------------------- Any ideas as to what causes it or how I can get around the problem? The result is the same regardless of version. -- Best regards, Generic

2 1

Newbie: Success, now failure???
by Roger Bohl (Sr.) 25 Jul '12

25 Jul '12

For several days, I've been using Stunnel (with Blat) successfully (possibly with no intervening re-boots). A day or so ago, the system was re booted Today, however, Stunnel failed. I got the following Stunnel reply message: No limit detected for the number of clients stunnel 4.53 on x86-pc-mingw32-gnu platform Compiled/running with OpenSSL 0.9.8s-fips 4 Jan 2012 Threading:WIN32 SSL:+ENGINE+OCSP+FIPS Auth:none Sockets:SELECT+IPv6 Reading configuration from file stunnel.conf FIPS mode is enabled Compression not enabled Snagged 64 random bytes from .rnd Wrote 1024 new random bytes to .rnd PRNG seeded successfully Initializing inetd mode configuration Certificate: client.pem Certificate loaded Key file: client.pem Private key loaded SSL options set: 0x00000004 Accept option is not allowed in inetd mode Remove accept option or define a [section] Server is down The stunnel.conf file in the Stunnel directory is: CAfile = cert.pem cert = client.pem client = yes RNDfile = .rnd [gmail smtp] ; (I may have had this in or out before. In "cleaning up" various files, I may have thought this to be a comment, and removed it.) accept = 25 connect = smtp.gmail.com:465 The program fails both with and without the [gmail smtp] line included. Except, possibly, for removing ;[comment] lines, no other changes occurred. Can somebody give me a clue as to the cause, and suggest the fix. I'm running Windows Vista. (I found the 17+ page instruction file, by Michal Trojnara, but didn't see a solution, there.) Thanks. Roger Bohl rhbohl(a)gmail.com 707-939-8459 PDT

1 0

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