stunnel-users October 2004

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Stunnel process die-off halfway
by PinLee_Su＠azuretech.com.sg 27 Oct '04

27 Oct '04

1 0

(no subject)
by PinLee_Su＠azuretech.com.sg 27 Oct '04

27 Oct '04

1 0

Connection crypted with pppd
by angelo.raspanti 27 Oct '04

27 Oct '04

I have a problem using stunnel v 4.05 under Linux with kernel 2.4.27. My target is using two PC connected via serial port with trafic crypted. I have achieved this schema: +-------+ +-------+ | | | | | PC1 |------------rs232---------| PC2 | | |10.0.0.1 10.0.0.2| | | | | | +-------+ +-------+ I have started pppd in raw mode in PC1 and PC2 and i have verified (with ping)that the link is OK for trafic without criptyng. Below i have tried to "mount" a tunnel cripted between PC1 and PC2 but stunnel server side return an error in openpty function. The stunnel.conf server side (PC1) is: -------------------------------------- cert = /usr/local/etc/stunnel/stunnel.pem chroot = /var/run/stunnel/ pid = setuid = nobody setgid = nobody # Some debugging stuff debug = 7 output = /var/log/stunnel.log foreground=no # Service-level configuration [ppp] accept = 2020 exec = /usr/sbin/pppd execargs = pppd local pty = yes The stunnel.conf client side (PC2) is: -------------------------------------- cert = /usr/local/etc/stunnel/stunnel.pem chroot = /var/run/stunnel/ pid = setuid = nobody setgid = nobody # Some debugging stuff debug = 7 output = /var/log/stunnel.log # Use it for client mode client = yes connect = 10.0.0.1:2020 exec = /usr/sbin/pppd execargs = pppd local The log file server side (PC1) is: ---------------------------------- 2004.10.27 07:25:19 LOG5[5246:16384]: stunnel 4.05 on i686-pc-linux-gnu PTHREAD+LIBWRAP with OpenSSL 0.9.7a Feb 19 2003 2004.10.27 07:25:19 LOG7[5246:16384]: RAND_status claims sufficient entropy for the PRNG 2004.10.27 07:25:19 LOG6[5246:16384]: PRNG seeded successfully 2004.10.27 07:25:19 LOG7[5246:16384]: Certificate: /usr/local/etc/stunnel/stunnel.pem 2004.10.27 07:25:19 LOG7[5246:16384]: Key file: /usr/local/etc/stunnel/stunnel.pem 2004.10.27 07:25:19 LOG5[5246:16384]: FD_SETSIZE=1024, file ulimit=1024 -> 500 clients allowed 2004.10.27 07:25:19 LOG7[5246:16384]: FD 4 in non-blocking mode 2004.10.27 07:25:19 LOG7[5246:16384]: SO_REUSEADDR option set on accept socket 2004.10.27 07:25:19 LOG7[5246:16384]: ppp bound to 0.0.0.0:2020 2004.10.27 07:25:19 LOG7[5246:16384]: FD 5 in non-blocking mode 2004.10.27 07:25:19 LOG7[5246:16384]: FD 6 in non-blocking mode 2004.10.27 07:25:19 LOG7[5247:16384]: No pid file being created 2004.10.27 07:25:59 LOG7[5247:16384]: ppp accepted FD=7 from 10.0.0.2:39791 2004.10.27 07:25:59 LOG7[5247:16384]: FD 7 in non-blocking mode 2004.10.27 07:25:59 LOG7[5251:16386]: ppp started 2004.10.27 07:25:59 LOG5[5251:16386]: ppp connected from 10.0.0.2:39791 2004.10.27 07:25:59 LOG7[5251:16386]: SSL state (accept): before/accept initialization 2004.10.27 07:25:59 LOG7[5251:16386]: waitforsocket: FD=7, DIR=read 2004.10.27 07:25:59 LOG7[5251:16386]: waitforsocket: ok 2004.10.27 07:25:59 LOG7[5251:16386]: SSL state (accept): SSLv3 read client hello A 2004.10.27 07:25:59 LOG7[5251:16386]: SSL state (accept): SSLv3 write server hello A 2004.10.27 07:25:59 LOG7[5251:16386]: SSL state (accept): SSLv3 write certificate A 2004.10.27 07:25:59 LOG7[5251:16386]: SSL state (accept): SSLv3 write server done A 2004.10.27 07:25:59 LOG7[5251:16386]: SSL state (accept): SSLv3 flush data 2004.10.27 07:25:59 LOG7[5251:16386]: waitforsocket: FD=7, DIR=read 2004.10.27 07:26:00 LOG7[5251:16386]: waitforsocket: ok 2004.10.27 07:26:00 LOG7[5251:16386]: SSL state (accept): SSLv3 read client key exchange A 2004.10.27 07:26:00 LOG7[5251:16386]: SSL state (accept): SSLv3 read finished A 2004.10.27 07:26:00 LOG7[5251:16386]: SSL state (accept): SSLv3 write change cipher spec A 2004.10.27 07:26:00 LOG7[5251:16386]: SSL state (accept): SSLv3 write finished A 2004.10.27 07:26:00 LOG7[5251:16386]: SSL state (accept): SSLv3 flush data 2004.10.27 07:26:00 LOG7[5251:16386]: 1 items in the session cache 2004.10.27 07:26:00 LOG7[5251:16386]: 0 client connects (SSL_connect()) 2004.10.27 07:26:00 LOG7[5251:16386]: 0 client connects that finished 2004.10.27 07:26:00 LOG7[5251:16386]: 0 client renegotiatations requested 2004.10.27 07:26:00 LOG7[5251:16386]: 1 server connects (SSL_accept()) 2004.10.27 07:26:00 LOG7[5251:16386]: 1 server connects that finished 2004.10.27 07:26:00 LOG7[5251:16386]: 0 server renegotiatiations requested 2004.10.27 07:26:00 LOG7[5251:16386]: 0 session cache hits 2004.10.27 07:26:00 LOG7[5251:16386]: 0 session cache misses 2004.10.27 07:26:00 LOG7[5251:16386]: 0 session cache timeouts 2004.10.27 07:26:00 LOG6[5251:16386]: Negotiated ciphers: AES256-SHA SSLv3 Kx=RSA Au=RSA Enc=AES(256) Mac=SHA1 2004.10.27 07:26:00 LOG7[5251:16386]: pty_allocate:namebuf=, namebuflen=1024 : Success (0) 2004.10.27 07:26:00 LOG3[5251:16386]: openpty: No such file or directory (2) 2004.10.27 07:26:00 LOG3[5251:16386]: Failed to initialize remote connection 2004.10.27 07:26:00 LOG7[5251:16386]: ppp finished (0 left) The log file client side (PC2) is: ---------------------------------- 2004.10.27 07:20:16 LOG5[4460:16384]: stunnel 4.05 on i686-pc-linux-gnu PTHREAD+LIBWRAP with OpenSSL 0.9.7a Feb 19 2003 2004.10.27 07:20:16 LOG7[4460:16384]: RAND_status claims sufficient entropy for the PRNG 2004.10.27 07:20:16 LOG6[4460:16384]: PRNG seeded successfully 2004.10.27 07:20:16 LOG7[4460:16384]: Certificate: /usr/local/etc/stunnel/stunnel.pem 2004.10.27 07:20:16 LOG7[4460:16384]: Key file: /usr/local/etc/stunnel/stunnel.pem 2004.10.27 07:20:16 LOG7[4460:16384]: stunnel started 2004.10.27 07:20:16 LOG6[4460:16384]: Local mode child started (PID=4461) 2004.10.27 07:20:16 LOG5[4460:16384]: stunnel connected from 127.0.0.1:39790 2004.10.27 07:20:16 LOG7[4460:16384]: FD 4 in non-blocking mode 2004.10.27 07:20:16 LOG7[4460:16384]: stunnel connecting 10.0.0.1:2020 2004.10.27 07:20:16 LOG7[4460:16384]: remote connect #1: EINPROGRESS: retrying 2004.10.27 07:20:16 LOG7[4460:16384]: waitforsocket: FD=4, DIR=write 2004.10.27 07:20:16 LOG3[4461:16384]: /usr/sbin/pppd: No such file or directory (2) 2004.10.27 07:20:16 LOG7[4460:16384]: waitforsocket: ok 2004.10.27 07:20:16 LOG7[4460:16384]: Remote FD=4 initialized 2004.10.27 07:20:16 LOG7[4460:16384]: SSL state (connect): before/connect initialization 2004.10.27 07:20:16 LOG7[4460:16384]: SSL state (connect): SSLv3 write client hello A 2004.10.27 07:20:16 LOG7[4460:16384]: waitforsocket: FD=4, DIR=read 2004.10.27 07:20:17 LOG7[4460:16384]: waitforsocket: ok 2004.10.27 07:20:17 LOG7[4460:16384]: SSL state (connect): SSLv3 read server hello A 2004.10.27 07:20:17 LOG7[4460:16384]: SSL state (connect): SSLv3 read server certificate A 2004.10.27 07:20:17 LOG7[4460:16384]: SSL state (connect): SSLv3 read server done A 2004.10.27 07:20:17 LOG7[4460:16384]: SSL state (connect): SSLv3 write client key exchange A 2004.10.27 07:20:17 LOG7[4460:16384]: SSL state (connect): SSLv3 write change cipher spec A 2004.10.27 07:20:17 LOG7[4460:16384]: SSL state (connect): SSLv3 write finished A 2004.10.27 07:20:17 LOG7[4460:16384]: SSL state (connect): SSLv3 flush data 2004.10.27 07:20:17 LOG7[4460:16384]: waitforsocket: FD=4, DIR=read 2004.10.27 07:20:17 LOG7[4460:16384]: waitforsocket: ok 2004.10.27 07:20:17 LOG7[4460:16384]: SSL state (connect): SSLv3 read finished A 2004.10.27 07:20:17 LOG7[4460:16384]: 1 items in the session cache 2004.10.27 07:20:17 LOG7[4460:16384]: 1 client connects (SSL_connect()) 2004.10.27 07:20:17 LOG7[4460:16384]: 1 client connects that finished 2004.10.27 07:20:17 LOG7[4460:16384]: 0 client renegotiatations requested 2004.10.27 07:20:17 LOG7[4460:16384]: 0 server connects (SSL_accept()) 2004.10.27 07:20:17 LOG7[4460:16384]: 0 server connects that finished 2004.10.27 07:20:17 LOG7[4460:16384]: 0 server renegotiatiations requested 2004.10.27 07:20:17 LOG7[4460:16384]: 0 session cache hits 2004.10.27 07:20:17 LOG7[4460:16384]: 0 session cache misses 2004.10.27 07:20:17 LOG7[4460:16384]: 0 session cache timeouts 2004.10.27 07:20:17 LOG6[4460:16384]: Negotiated ciphers: AES256-SHA SSLv3 Kx=RSA Au=RSA Enc=AES(256) Mac=SHA1 2004.10.27 07:20:17 LOG7[4460:16384]: Socket closed on read 2004.10.27 07:20:17 LOG7[4460:16384]: SSL write shutdown (output buffer empty) 2004.10.27 07:20:17 LOG7[4460:16384]: SSL alert (write): warning: close notify 2004.10.27 07:20:17 LOG7[4460:16384]: SSL_shutdown retrying 2004.10.27 07:20:17 LOG3[4460:16384]: SSL_read (ERROR_SYSCALL): Connection reset by peer (104) 2004.10.27 07:20:17 LOG5[4460:16384]: Connection reset: 0 bytes sent to SSL, 0 bytes sent to socket 2004.10.27 07:20:17 LOG7[4460:16384]: stunnel finished (0 left) Any suggestion ? Thanks in advance.. Angelo Raspanti

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Stunnel process die-off halfway
by PinLee_Su＠azuretech.com.sg 25 Oct '04

25 Oct '04

I have downloaded and installed the stunnel-4.05.exe together with the libssl32.dll and libeay32.dll from stunnel.org. I am able to start the stunnel without problem. however after the a while the process die-off automatically. check the event log in the windows (using Windows XP), it gives error msg as "Faulting application stunnel-4-05.exe, version 0.0.0.0, faulting module libssl32.dll, version 0.0.0.0, fault address 0x00006cd8." I would appreciate if anyone can help me on this? many thanks in advance! "Azure Technologies is the IT solutions provider of Hutchison Whampoa Limited and a member of Hutchison Global Communications Holdings Limited." The message is for information purposes only and is not intended to create legally binding relations. The shareholders, directors and management of Azure Technologies and any of its group companies accept no responsibility and accordingly shall have no liability to any party whatsoever with respect to the contents of this message. This message (including any attachments) is intended only for the use of the addressee(s) named above. It may contain information that is PRIVILEGED and CONFIDENTIAL and should not be read, copied or otherwise used by any other person. If you are not the intended recipient, please erase all copies of the message (including attachments) and notify us immediately.

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Compiling v4.05 from source
by Ed Vazquez 23 Oct '04

23 Oct '04

On an up-to-date version of Linux, I get this error following a successful config: $ make Making all in src make[1]: Entering directory `/g/vs-build/stunnel-4.05/src' Makefile:404: warning: overriding commands for target `stunnel.exe' Makefile:265: warning: ignoring old commands for target `stunnel.exe' cd .. && automake --gnu --include-deps src/Makefile configure.ac:5: your implementation of AM_INIT_AUTOMAKE comes from an configure.ac:5: old Automake version. You should recreate aclocal.m4 configure.ac:5: with aclocal and run automake again. src/Makefile.am: required file `auto/depcomp' not found /usr/share/automake-1.9/am/depend2.am: am__fastdepCC does not appear in AM_CONDITIONAL /usr/share/automake-1.9/am/depend2.am: AMDEP does not appear in AM_CONDITIONAL make[1]: *** [Makefile.in] Error 63 make[1]: Leaving directory `/g/vs-build/stunnel-4.05/src' make: *** [all-recursive] Error 1 After running aclocal (completes with no errors), I re-run configure and try to make again: $ make Making all in src make[1]: Entering directory `/g/vs-build/stunnel-4.05/src' Makefile:404: warning: overriding commands for target `stunnel' Makefile:265: warning: ignoring old commands for target `stunnel' cd .. && automake-1.9 --gnu --include-deps src/Makefile src/Makefile.am: required file `auto/depcomp' not found make[1]: *** [Makefile.in] Error 1 make[1]: Leaving directory `/g/vs-build/stunnel-4.05/src' make: *** [all-recursive] Error 1 Ideas? Suggestions? Did I screw something up? Ed Vazquez To speak ill of others is a dishonest way of praising ourselves. . . let us be above such transparent egotism. - Will Durant

2 1

stunnel with SHOUTcast
by grimholtz＠mailbolt.com 20 Oct '04

20 Oct '04

Anyone gotten stunel to work with SHOUTcast or another streaming audio server? Regards, Eric Jung

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stunnel with netcat.
by Graeme Stewart 19 Oct '04

19 Oct '04

I'm hoping someone on this list will take the time to help me. I apologize for the newbie nature of this question. I'm trying to create an SSL stunnel connection to an https URL then utilize netcat to send requests through that previously established link. I believe this should be possible. My configuration file includes: verify=0 client=yes [https] accept=localhost:8080 connect=www.remotesite.com:443 TIMEOUTEclose=0 transparent=yes Whenever I run: # stunnel stunnel.config # nc -vv localhost 8080 I receive a connection refused error from netcat. Could someone point me in the right direction? I did review the examples on stunnel.org but they all seem to reference an earlier version of stunnel. Thanks, Graeme

2 5

any way to search the archives?
by grimholtz＠mailbolt.com 19 Oct '04

19 Oct '04

Hi, Is there any way to search the archives at http://mirt.net/pipermail/stunnel-users/ or do I just have to go through them manually? Thank you for any reply, Eric Jung

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Stunnel and streaming audio
by grimholtz＠mailbolt.com 19 Oct '04

19 Oct '04

Hi, I'm using stunnel 4.05 on Windows 2000 for both client and server. I have VNC working just fine over port 443. Now I want to stream audio from the server to the client over port 21 with stunnel and any streaming audio server. I can't get this to work. I'm currently using Windows Media Encoder for streaming because it is simple and free, but I don't mind switching to SHOUTcast or something else. This is the stunnel server configuration: CAfile = CAcert.pem CApath = certificates cert = server.pem client = no verify = 3 [vnc] accept = 443 connect = 127.0.0.1:15351 [audiostream] accept = 21 connect = 127.0.0.1:80 On the client-side, I have this configuration: CAfile = CAcert.pem CApath = certificates cert = client.pem client = yes verify = 3 [vnc] accept = 127.0.0.1:15351 connect = someurl.com:443 [audiostream] accept = 127.0.0.1:80 connect = someurl.com:21 VNC works fine but streaming audio does not. It doesn't matter if I change port 21 to something else; I get the same error. The output on the server-side stunnel console is: 2004.10.18 13:16:02 LOG5[2036:1732]: audiostream connected from xxx.xxx.xxx.xxx:59090 The output on the client-side stunnel console is: 2004.10.18 13:21:07 LOG5[1088:1300]: audiostream connected from 127.0.0.1:1467 2004.10.18 13:21:07 LOG3[1088:1300]: SSL_connect: Peer suddenly disconnected stunnel -version on the server-side displays this info: stunnel 4.05 on x86-pc-mingw32-gnu WIN32 with OpenSSL 0.9.7d 17 Mar 2004 Global options cert = stunnel.pem ciphers = ALL:!ADH:+RC4:@STRENGTH debug = 5 key = stunnel.pem RNDbytes = 64 RNDoverwrite = yes service = stunnel session = 300 seconds taskbar = yes verify = none Service-level options TIMEOUTbusy = 300 seconds TIMEOUTclose = 60 seconds TIMEOUTidle = 43200 seconds 2004.10.18 20:47:05 LOG3[1316:2092]: Server is down openssl version on the server-side displays this info: OpenSSL 0.9.7d 17 Mar 2004 Anyone have ideas? Thank you in advance for any advice, Eric Jung

1 0

Client certificates still valid after removal with verify = 3
by Michael Brown 18 Oct '04

18 Oct '04

I'm having a problem with my stunnel 4.05 setup: We are using a setup where each client that connects has to have a valid certificate present on the filesystem (verify = 3). After the client connects once, it seems that the certificate is cached by either the SSL libraries or stunnel: stunnel.conf: <<< cert = /etc/stunnel/servercert.pem CAfile = /usr/share/ssl/CA/cacert.pem CApath = /etc/stunnel/clientdb verify = 3 [https] accept = 443 connect = remote.server.name:443 local = 192.168.0.6 >>> Some output: Oct 15 19:36:34 machine stunnel[14139]: VERIFY OK: depth=1, /C=CA/ST=Ontario/L=Here/O=Us/OU=Bigwigs/CN=CA Cert/emailAddress=certainly(a)here.com Oct 15 19:36:34 fruitfly stunnel[14139]: VERIFY OK: depth=0, /C=CA/ST=Ontario/O=Us/OU=slackers anonymous/CN=Daniel Unceman/emailAddress=dunce(a)here.com ... and the same thing after I remove the hash link in /etc/stunnel/clientdb. But only after I restart does it to the right thing: Oct 15 19:40:24 fruitfly stunnel[15247]: VERIFY OK: depth=1, /C=CA/ST=Ontario/L=Here/O=Us/OU=Bigwigs/CN=CA Cert/emailAddress=certainly(a)here.com Oct 15 19:40:24 fruitfly stunnel[15247]: VERIFY ERROR ONLY MY: no cert for /C=CA/ST=Ontario/O=Us/OU=slackers anonymous/CN=Daniel Unceman/emailAddress=dunce(a)here.com Help! We don't want to have to restart stunnel every time we remove a user. Thanks, Michael Brown -- Michael Brown {0x527670C0} | `One of the main causes of the fall of Systems Administrator | the Roman Empire was that, lacking zero, +1 519 888 7111 x2339 | they had no way to indicate successful michaelb(a)opentext.com | termination of their C programs.' - Firth

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stunnel-users October 2004