- stunnel-users - stunnel.org

Tunnel iPhone - Server
by LoLoVioLo 14 Dec '09

14 Dec '09

Hi all, It is my first post. Sorry if common question but didn't find answer in archives or google. The fact is that I am using an iPhone with a data plan that only allow ports 80 and 443 (http and https). My aim is to be able to use all ports (mail, ftp, msn, etc). The idea is to tunnel all TCP connections between my computer here and my server at home. iPhone <----port-443----> Linux Server <----all-ports----> Internet I know there is alternatives for each service (webmail, webmessenger, etc.) but I think that it is technically possible to have something running that allow using of usual software. I also know that this usage is typically VPN but there is no VPN client for iPhone that allow custom ports and not sure my data plan can route GRE protocol. By the way STunnel was ported to the iPhone. There is some hope. I am not sure Stunnel is the best way to do that and not even sure that Stunnel can do it but hope you can advice. Thanks for your help. LoLoVioLo

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Question (simple one I think)
by Reinier van der Gugten 09 Dec '09

09 Dec '09

Question: On the server, port 443 is already in use by a different service. However I require STunnel to communicate also on port 443. I thought, that perhaps I can obtain a second IP address and forward that trafic from the router to port 444 (or any other avail port). Then I can let Stunnel listen to port 444 and thus it would work. The firewall has to translate the 444 back to the 443 when transmitting data ofcourse. Is this the right way to go? Or ca I do this using one and the same IP (but then there would be 2 services listning to the same port right)? Thanks. Reinier

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Your opinion on sessiond
by Michal Trojnara 04 Dec '09

04 Dec '09

Dear Users, I'm eager to hear your comments, suggestions or issues regarding sessiond. Feel free to use the stunnel-users mailing list or the bug tracking system: https://stunnel.mirt.net/?page=bts Best regards, Mike

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Stunnel 4.29 released
by Michal Trojnara 02 Dec '09

02 Dec '09

The ChangeLog entry: Version 4.29, 2009.12.02, urgency: MEDIUM: * New feature sponsored by Searchtech Limited http://www.astraweb.com/ - sessiond, a high performance SSL session cache was built for stunnel. A new service-level "sessiond" option was added. sessiond is available for download on ftp://stunnel.mirt.net/stunnel/sessiond/ . stunnel clusters will be a lot faster, now! * Bugfixes - "execargs" defaults to the "exec" parameter (thx to Peter Pentchev). - Compilation fixes added for AIX and old versions of OpenSSL. - Missing "fips" option was added to the manual. SHA-1 value for stunnel-4.29.tar.gz: f93ac9054c62b1db0dcf44f668d323d82cc0f413 Home page: http://stunnel.mirt.net/ Download: ftp://stunnel.mirt.net/stunnel/ Best regards, Michal Trojnara

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Still having issues compiling Stunnel on aix 5.3. SOL_TCP not defined? Please help
by Geoff 02 Dec '09

02 Dec '09

I installed gcc and the latest version of openssl on my aix 5.3 server. I did the ./configure and all went well. When I did the make I recieved the following error. if gcc -DPACKAGE_NAME=\"stunnel\" -DPACKAGE_TARNAME=\"stunnel\" -DPACKAGE_VERSION=\"4.28\" -DPACKAGE_STRING=\"stunnel\ 4.28\" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE=\"stunnel\" -DVERSION=\"4.28\" -DHOST=\"powerpc-ibm-aix5.3.0.0\" -DCPU_POWERPC=1 -DVENDOR_IBM=1 -DOS_AIX5_3_0_0=1 -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 -DHAVE_DLFCN_H=1 -DSIZEOF_UNSIGNED_CHAR=1 -DSIZEOF_UNSIGNED_SHORT=2 -DSIZEOF_UNSIGNED_INT=4 -DSIZEOF_UNSIGNED_LONG=4 -DHAVE_DEV_PTS_AND_PTC=1 -DRANDOM_FILE=\"/dev/urandom\" -DHAVE_UCONTEXT_H=1 -DHAVE_PTHREAD_H=1 -DHAVE_SYS_SELECT_H=1 -DHAVE_POLL_H=1 -DHAVE_SYS_POLL_H=1 -DHAVE_SYS_IOCTL_H=1 -DHAVE_STROPTS_H=1 -DHAVE_GRP_H=1 -DHAVE_UNISTD_H=1 -DHAVE_SYS_RESOURCE_H=1 -DHAVE_SYS_SOCKET_H=1 -DHAVE_STRUCT_MSGHDR_MSG_CONTROL=1 -DHAVE_MSGHDR_MSG_CONTROL=1 -DHAVE_LIBDL=1 -DHAVE_LIBZ=1 -DHAVE_LIBPTHREAD=1 -DUSE_PTHREAD=1 -DHAVE_SNPRINTF=1 -DHAVE_VSNPRINTF=1 -DHAVE_WAITPID=1 -DHAVE_WAIT4=1 -DHAVE_SETSID=1 -DHAVE_SETGROUPS=1 -DHAVE_CHROOT=1 -DHAVE_SYSCONF=1 -DHAVE_GETRLIMIT=1 -DHAVE_PTHREAD_SIGMASK=1 -DHAVE_LOCALTIME_R=1 -DHAVE_GETCONTEXT=1 -DHAVE_POLL=1 -DHAVE_ENDHOSTENT=1 -DHAVE_GETNAMEINFO=1 -DHAVE_GETADDRINFO=1 -DHAVE_OPENSSL=1 -Dssldir=\"/usr\" -DHAVE_OSSL_ENGINE_H=1 -DUSE_IPv6=1 -I. -I. -I/usr/kerberos/include -DLIBDIR='"/usr/local/lib/stunnel"' -DCONFDIR='"/usr/local/etc/stunnel"' -DPIDFILE='"/usr/local/var/run/stunnel/stunnel.pid"' -g -O2 -Wall -Wshadow -Wcast-align -Wpointer-arith -I/usr/include -MT options.o -MD -MP -MF ".deps/options. Tpo" -c -o options.o options.c; then mv -f ".deps/options.Tpo" ".deps/options.Po"; else rm -f ".deps/options.Tpo"; exit 1; fi options.c:1773: error: 'SOL_TCP' undeclared here (not in a function) make: 1254-004 The error code from the last command is 1. Stop. make: 1254-004 The error code from the last command is 1. The SOL_TCP option is not defined on AIX. I am hoping this can be applied to SOL_SOCKET which is defined. So... I changed the following lines in the options.c program #ifdef TCP_KEEPCNT /* {"TCP_KEEPCNT", SOL_TCP, TCP_KEEPCNT, TYPE_INT, DEF_VALS}, */ {"TCP_KEEPCNT", SOL_SOCKET, TCP_KEEPCNT, TYPE_INT, DEF_VALS}, #endif #ifdef TCP_KEEPIDLE /* {"TCP_KEEPIDLE", SOL_TCP, TCP_KEEPIDLE, TYPE_INT, DEF_VALS}, */ {"TCP_KEEPIDLE", SOL_SOCKET, TCP_KEEPIDLE, TYPE_INT, DEF_VALS}, #endif #ifdef TCP_KEEPINTVL /* {"TCP_KEEPINTVL", SOL_TCP, TCP_KEEPINTVL, TYPE_INT, DEF_VALS},*/ {"TCP_KEEPINTVL", SOL_SOCKET, TCP_KEEPINTVL, TYPE_INT, DEF_VALS}, I can compile the code without error at this point. So... my question is has anyone else made a similar change to get the code to compile on AIX 5.3? If not, can you please tell me what configuration options you used to make stunnel work. Thanks for any help you can provide. I am at my wits end here and pretty much my capability in compiling code. Thanks in advance, Geoff

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Upgrade From 4.27 to 4.28? Or Wait for Next Version?
by Jeff Salisbury 01 Dec '09

01 Dec '09

Greetings, I've noticed some problems with v4.28 (posted in this group). Is there any compelling reason to upgrade from 4.27 to 4.28? Or, should we wait for the problems in 4.28 to be fixed in a new version and then upgrade? Regards, Jeff

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build problem with 4.28 on SLES9 (SSL again)
by Andreas Vetter 27 Nov '09

27 Nov '09

Hi, there is a build problem with 4.28 on a SLES 9. May be similar to the no_ticket problem. Here is the interesting part of build log: options.c: In function `parse_ssl_option': options.c:1714: error: `SSL_OP_NO_QUERY_MTU' undeclared (first use in this function) options.c:1714: error: (Each undeclared identifier is reported only once options.c:1714: error: for each function it appears in.) options.c:1715: error: `SSL_OP_COOKIE_EXCHANGE' undeclared (first use in this function) options.c:1724: error: `SSL_OP_SINGLE_ECDH_USE' undeclared (first use in this function) make[1]: *** [options.o] Error 1 make[1]: Leaving directory `/usr/src/packages/BUILD/stunnel-4.28/src' any hints? -- Mit freundlichen Gruessen, Andreas Vetter Informations- und Kommunikationstechnik Fakultaet fuer Physik und Astronomie Universitaet Wuerzburg

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Help in making stunnel please.
by Geoff 26 Nov '09

26 Nov '09

Compiling on aix 5.3 ./configure runs fine when I run make I get this error... I am using the latest version of ssl. # make Making all in src source='env.c' object='env.lo' libtool=yes DEPDIR=.deps depmode=aix /bin/sh ../auto/depcomp /bin/sh ../libtool --tag=CC --mode=compile cc -qlanglvl=ansi -DPACKAGE_NAME=\"stunnel\" -DPACKAGE_TARNAME=\"stunnel\" -DPACKAGE_VERSION=\"4.28\" -DPACKAGE_STRING=\"stunnel\ 4.28\" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE=\"stunnel\" -DVERSION=\"4.28\" -DHOST=\"powerpc-ibm-aix5.3.0.0\" -DCPU_POWERPC=1 -DVENDOR_IBM=1 -DOS_AIX5_3_0_0=1 -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 -DHAVE_DLFCN_H=1 -DSIZEOF_UNSIGNED_CHAR=1 -DSIZEOF_UNSIGNED_SHORT=2 -DSIZEOF_UNSIGNED_INT=4 -DSIZEOF_UNSIGNED_LONG=4 -DHAVE_DEV_PTS_AND_PTC=1 -DRANDOM_FILE=\"/dev/urandom\" -DHAVE_UCONTEXT_H=1 -DHAVE_PTHREAD_H=1 -DHAVE_SYS_SELECT_H=1 -DHAVE_POLL_H=1 -DHAVE_SYS_POLL_H=1 -DHAVE_SYS_IOCTL_H=1 -DHAVE_STROPTS_H=1 -DHAVE_GRP_H=1 -DHAVE_UNISTD_H=1 -DHAVE_SYS_RESOURCE_H=1 -DHAVE_SYS_SOCKET_H=1 -DHAVE_STRUCT_MSGHDR_MSG_CONTROL=1 -DHAVE_MSGHDR_MSG_CONTROL=1 -DHAVE_LIBDL=1 -DHAVE_LIBZ=1 -DHAVE_LIBPTHREAD=1 -DUSE_PTHREAD=1 -DHAVE_SNPRINTF=1 -DHAVE_VSNPRINTF=1 -DHAVE_WAITPID=1 -DHAVE_WAIT4=1 -DHAVE_SETSID=1 -DHAVE_SETGROUPS=1 -DHAVE_CHROOT=1 -DHAVE_SYSCONF=1 -DHAVE_GETRLIMIT=1 -DHAVE_PTHREAD_SIGMASK=1 -DHAVE_LOCALTIME_R=1 -DHAVE_GETCONTEXT=1 -DHAVE_POLL=1 -DHAVE_ENDHOSTENT=1 -DHAVE_GETNAMEINFO=1 -DHAVE_GETADDRINFO=1 -DHAVE_OPENSSL=1 -Dssldir=\"/usr\" -DHAVE_OSSL_ENGINE_H=1 -DUSE_IPv6=1 -I. -I. -I/usr/kerberos/include -DLIBDIR='"/usr/local/lib/stunnel"' -DCONFDIR='"/usr/local/etc/stunnel"' -DPIDFILE='"/usr/local/var/run/stunnel/stunnel.pid"' -g -I/usr/include -c -o env.lo env.c cc -qlanglvl=ansi -DPACKAGE_NAME=\"stunnel\" -DPACKAGE_TARNAME=\"stunnel\" -DPACKAGE_VERSION=\"4.28\" "-DPACKAGE_STRING=\"stunnel 4.28\"" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE=\"stunnel\" -DVERSION=\"4.28\" -DHOST=\"powerpc-ibm-aix5.3.0.0\" -DCPU_POWERPC=1 -DVENDOR_IBM=1 -DOS_AIX5_3_0_0=1 -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 -DHAVE_DLFCN_H=1 -DSIZEOF_UNSIGNED_CHAR=1 -DSIZEOF_UNSIGNED_SHORT=2 -DSIZEOF_UNSIGNED_INT=4 -DSIZEOF_UNSIGNED_LONG=4 -DHAVE_DEV_PTS_AND_PTC=1 -DRANDOM_FILE=\"/dev/urandom\" -DHAVE_UCONTEXT_H=1 -DHAVE_PTHREAD_H=1 -DHAVE_SYS_SELECT_H=1 -DHAVE_POLL_H=1 -DHAVE_SYS_POLL_H=1 -DHAVE_SYS_IOCTL_H=1 -DHAVE_STROPTS_H=1 -DHAVE_GRP_H=1 -DHAVE_UNISTD_H=1 -DHAVE_SYS_RESOURCE_H=1 -DHAVE_SYS_SOCKET_H=1 -DHAVE_STRUCT_MSGHDR_MSG_CONTROL=1 -DHAVE_MSGHDR_MSG_CONTROL=1 -DHAVE_LIBDL=1 -DHAVE_LIBZ=1 -DHAVE_LIBPTHREAD=1 -DUSE_PTHREAD=1 -DHAVE_SNPRINTF=1 -DHAVE_VSNPRINTF=1 -DHAVE_WAITPID=1 -DHAVE_WAIT4=1 -DHAVE_SETSID=1 -DHAVE_SETGROUPS=1 -DHAVE_CHROOT=1 -DHAVE_SYSCONF=1 -DHAVE_GETRLIMIT=1 -DHAVE_PTHREAD_SIGMASK=1 -DHAVE_LOCALTIME_R=1 -DHAVE_GETCONTEXT=1 -DHAVE_POLL=1 -DHAVE_ENDHOSTENT=1 -DHAVE_GETNAMEINFO=1 -DHAVE_GETADDRINFO=1 -DHAVE_OPENSSL=1 -Dssldir=\"/usr\" -DHAVE_OSSL_ENGINE_H=1 -DUSE_IPv6=1 -I. -I. -I/usr/kerberos/include -DLIBDIR=\"/usr/local/lib/stunnel\" -DCONFDIR=\"/usr/local/etc/stunnel\" -DPIDFILE=\"/usr/local/var/run/stunnel/stunnel.pid\" -g -I/usr/include -c -M env.c -DPIC -o .libs/env.o "/usr/include/sys/socket.h", line 141.9: 1506-213 (S) Macro name getpeername cannot be redefined. "/usr/include/sys/socket.h", line 141.9: 1506-358 (I) "getpeername" is defined on line 39 of env.c. make: 1254-004 The error code from the last command is 1. Stop. make: 1254-004 The error code from the last command is 1. Here is the configure # ./configure configure: **************************************** initialization checking for a BSD-compatible install... auto/install-sh -c checking whether build environment is sane... yes checking for gawk... no checking for mawk... no checking for nawk... nawk checking whether make sets $(MAKE)... yes checking build system type... powerpc-ibm-aix5.3.0.0 checking host system type... powerpc-ibm-aix5.3.0.0 checking for gcc... no checking for cc... cc checking for C compiler default output file name... a.out checking whether the C compiler works... yes checking whether we are cross compiling... no checking for suffix of executables... checking for suffix of object files... o checking whether we are using the GNU C compiler... no checking whether cc accepts -g... yes checking for cc option to accept ISO C89... -qlanglvl=ansi checking for style of include used by make... GNU checking dependency style of cc -qlanglvl=ansi... aix checking for a BSD-compatible install... auto/install-sh -c checking whether make sets $(MAKE)... (cached) yes configure: **************************************** libtool checking for a sed that does not truncate output... /usr/bin/sed checking for grep that handles long lines and -e... /usr/bin/grep checking for egrep... /usr/bin/grep -E checking for non-GNU ld... /usr/bin/ld checking if the linker (/usr/bin/ld) is GNU ld... no checking for /usr/bin/ld option to reload object files... -r checking for BSD-compatible nm... /usr/bin/nm -B checking whether ln -s works... yes checking how to recognize dependent libraries... pass_all checking how to run the C preprocessor... cc -qlanglvl=ansi -E checking for ANSI C header files... yes checking for sys/types.h... yes checking for sys/stat.h... yes checking for stdlib.h... yes checking for string.h... yes checking for memory.h... yes checking for strings.h... yes checking for inttypes.h... yes checking for stdint.h... yes checking for unistd.h... yes checking dlfcn.h usability... yes checking dlfcn.h presence... yes checking for dlfcn.h... yes checking for g++... no checking for c++... no checking for gpp... no checking for aCC... no checking for CC... no checking for cxx... no checking for cc++... no checking for cl.exe... no checking for FCC... no checking for KCC... no checking for RCC... no checking for xlC_r... no checking for xlC... no checking whether we are using the GNU C++ compiler... no checking whether g++ accepts -g... no checking dependency style of g++... none checking for g77... no checking for xlf... no checking for f77... no checking for frt... no checking for pgf77... no checking for cf77... no checking for fort77... no checking for fl32... no checking for af77... no checking for xlf90... no checking for f90... no checking for pgf90... no checking for pghpf... no checking for epcf90... no checking for gfortran... no checking for g95... no checking for xlf95... no checking for f95... no checking for fort... no checking for ifort... no checking for ifc... no checking for efc... no checking for pgf95... no checking for lf95... no checking for ftn... no checking whether we are using the GNU Fortran 77 compiler... no checking whether accepts -g... no checking the maximum length of command line arguments... 18432 checking command to parse /usr/bin/nm -B output from cc -qlanglvl=ansi object... ok checking for objdir... .libs checking for ar... ar checking for ranlib... ranlib checking for strip... strip checking for cc -qlanglvl=ansi option to produce PIC... checking if cc -qlanglvl=ansi static flag -bnso -bI:/lib/syscalls.exp works... no checking if cc -qlanglvl=ansi supports -c -o file.o... yes checking whether the cc -qlanglvl=ansi linker (/usr/bin/ld) supports shared libraries... yes checking dynamic linker characteristics... aix5.3.0.0 ld.so checking how to hardcode library paths into programs... immediate checking whether stripping libraries is possible... no checking if libtool supports shared libraries... yes checking whether to build shared libraries... yes checking whether to build static libraries... no configure: creating libtool appending configuration tag "CXX" to libtool appending configuration tag "F77" to libtool configure: **************************************** types checking for unsigned char... yes checking size of unsigned char... 1 checking for unsigned short... yes checking size of unsigned short... 2 checking for unsigned int... yes checking size of unsigned int... 4 checking for unsigned long... yes checking size of unsigned long... 4 checking for socklen_t... yes configure: **************************************** PTY device files checking for "/dev/ptmx"... no checking for "/dev/ptc"... yes configure: **************************************** entropy checking for "/dev/urandom"... yes configure: **************************************** default group checking for default group... nobody configure: **************************************** header files checking ucontext.h usability... yes checking ucontext.h presence... yes checking for ucontext.h... yes checking pthread.h usability... yes checking pthread.h presence... yes checking for pthread.h... yes checking sys/select.h usability... yes checking sys/select.h presence... yes checking for sys/select.h... yes checking poll.h usability... yes checking poll.h presence... yes checking for poll.h... yes checking sys/poll.h usability... yes checking sys/poll.h presence... yes checking for sys/poll.h... yes checking tcpd.h usability... no checking tcpd.h presence... no checking for tcpd.h... no checking sys/ioctl.h usability... yes checking sys/ioctl.h presence... yes checking for sys/ioctl.h... yes checking sys/filio.h usability... no checking sys/filio.h presence... no checking for sys/filio.h... no checking stropts.h usability... yes checking stropts.h presence... yes checking for stropts.h... yes checking grp.h usability... yes checking grp.h presence... yes checking for grp.h... yes checking for unistd.h... (cached) yes checking util.h usability... no checking util.h presence... no checking for util.h... no checking libutil.h usability... no checking libutil.h presence... no checking for libutil.h... no checking sys/resource.h usability... yes checking sys/resource.h presence... yes checking for sys/resource.h... yes checking pty.h usability... no checking pty.h presence... no checking for pty.h... no checking sys/socket.h usability... yes checking sys/socket.h presence... yes checking for sys/socket.h... yes checking for struct msghdr.msg_control... yes configure: **************************************** libraries checking for library containing gethostbyname... none required checking for library containing yp_get_default_domain... none required checking for socket in -lsocket... no checking for openpty in -lutil... no checking for dlopen in -ldl... yes checking for shl_load in -ldld... no checking for inflateEnd in -lz... yes configure: **************************************** thread model checking for pthread_create in -lc_r... no checking for pthread_create in -lpthread... yes configure: PTHREAD thread model detected configure: **************************************** library functions checking for snprintf... yes checking for vsnprintf... yes checking for openpty... no checking for _getpty... no checking for daemon... no checking for waitpid... yes checking for wait4... yes checking for setsid... yes checking for setgroups... yes checking for chroot... yes checking for sysconf... yes checking for getrlimit... yes checking for pthread_sigmask... yes checking for localtime_r... yes checking for getcontext... yes checking for __makecontext_v2... no checking for poll... yes checking for endhostent... yes checking for getnameinfo... yes checking for getaddrinfo... yes checking for broken poll() implementation... no configure: **************************************** SSL checking for SSL directory... /usr checking for obsolete RSAref library... no checking /usr/include/openssl/engine.h usability... yes checking /usr/include/openssl/engine.h presence... yes checking for /usr/include/openssl/engine.h... yes configure: **************************************** optional features checking whether to disable RSA support... no checking whether to enable DH support... no checking whether to enable IPv6 support... yes checking whether to disable TCP wrappers library support... autodetecting checking for hosts_access in -lwrap... no checking whether to enable FIPS mode support... autodetecting checking for FIPS_mode_set... no configure: **************************************** write the results configure: creating ./config.status config.status: creating Makefile config.status: creating src/Makefile config.status: creating src/stunnel3 config.status: creating doc/Makefile config.status: creating tools/Makefile config.status: creating tools/stunnel.conf-sample config.status: creating tools/stunnel.init config.status: executing depfiles commands configure: **************************************** success

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problem with -fd option on Linux
by Sorkin, David 21 Nov '09

21 Nov '09

I'd like to report an interesting problem I found that occurs on Linux but not Solaris when using the -fd 0 option to read the stunnel configuration in from stdin. I am using stunnel to establish client tunnels on the fly for one time use by programs such as rsync. The client config file is generated automatically with some dynamic parameters. After the client tunnel is established a client program connects to the specified port on localhost. This works fine on Solaris but on Linux I found that the client program has to be invoked *twice* before it works. My work around is to write the config to a temp file and starting stunnel with the location of the file as its argument instead of writing to its standard input. I am using tcp wrappers to protect the stunnel servers and to limit the connects to the client to localhost. This isn't an issue for me anymore but it took a bit of troubleshooting to figure out. On Solaris I am running the same version of stunnel, openssl, etc... all compiled very similarly. One difference could be iconv but I don't know enough about it to say. Regards, David Sorkin Debug log from the first client invocation: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 10 15:37:02 test03 stunnel: LOG5[32303:182894071744]: stunnel 4.27 on x86_64-unknown-linux-gnu with OpenSSL 0.9.8k 25 Mar 2009 Nov 10 15:37:02 test03 stunnel: LOG5[32303:182894071744]: Threading:PTHREAD SSL:ENGINE Sockets:POLL,IPv4 Auth:LIBWRAP Nov 10 15:37:02 test03 stunnel: LOG6[32303:182894071744]: file ulimit = 1024 (can be changed with 'ulimit -n') Nov 10 15:37:02 test03 stunnel: LOG6[32303:182894071744]: poll() used - no FD_SETSIZE limit for file descriptors Nov 10 15:37:02 test03 stunnel: LOG5[32303:182894071744]: 500 clients allowed Nov 10 15:37:03 test03 stunnel: LOG3[32309:1073809760]: Unexpected socket close (read_blocking) Nov 10 15:37:03 test03 stunnel: LOG5[32309:1073809760]: Connection reset: 0 bytes sent to SSL, 0 bytes sent to socket Nov 10 15:37:03 test03 stunnel: LOG5[32309:182894071744]: Received signal 15; terminating My client config is similar to the following: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ debug = local4.info foreground = no sslVersion = TLSv1 RNDfile = /dev/random RNDoverwrite = no pid = %s [stunnel] client = yes key = /path/to/private_key.pem cert = /path/to/public_key_cert.pem verify = 0 accept = 127.0.0.1:12345 # ephemeral port connect = remote_host:123 # well known port ciphers = AES256-SHA Server Config: ^^^^^^^^^^^^^^ debug = local4.info foreground = no pid = /var/run/stunnel.pid sslVersion = TLSv1 RNDfile = /dev/random RNDoverwrite = no [rsync] client = no key = /path/to/private_key.pem cert = /path/to/public_key_cert.pem CAfile = /path/to/authority_certs.pem verify = 3 accept = 123 exec = /usr/bin/rsync execargs = rsync --daemon --no-detach ciphers = AES256-SHA hosts.allow ^^^^^^^^^^^^ stunnel: 127.0.0.1 rsync: <ip of authorized server> > /usr/local/bin/stunnel -version stunnel 4.27 on x86_64-unknown-linux-gnu with OpenSSL 0.9.8k 25 Mar 2009 Threading:PTHREAD SSL:ENGINE Sockets:POLL,IPv4 Auth:LIBWRAP Global options debug = 5 pid = /var/run/stunnel.pid RNDbytes = 64 RNDfile = /dev/urandom RNDoverwrite = yes Service-level options cert = /usr/local/etc/stunnel.pem ciphers = AES:ALL:!aNULL:!eNULL:+RC4:@STRENGTH key = /usr/local/etc/stunnel.pem session = 300 seconds stack = 65536 bytes sslVersion = SSLv3 for client, all for server TIMEOUTbusy = 300 seconds TIMEOUTclose = 60 seconds TIMEOUTconnect = 10 seconds TIMEOUTidle = 43200 seconds verify = none > /usr/local/bin/stunnel -sockets Socket option defaults: Option Accept Local Remote OS default SO_DEBUG -- -- -- 0 SO_DONTROUTE -- -- -- 0 SO_KEEPALIVE -- -- -- 0 SO_LINGER -- -- -- 0:0 SO_OOBINLINE -- -- -- 0 SO_RCVBUF -- -- -- 87380 SO_SNDBUF -- -- -- 16384 SO_RCVLOWAT -- -- -- 1 SO_SNDLOWAT -- -- -- 1 SO_RCVTIMEO -- -- -- 0:0 SO_SNDTIMEO -- -- -- 0:0 SO_REUSEADDR 1 -- -- 0 SO_BINDTODEVICE -- -- -- -- IP_TOS -- -- -- 0 IP_TTL -- -- -- 64 TCP_NODELAY -- -- -- 0 > uname -a Linux test1 2.6.9-89.0.11.ELsmp #1 SMP Mon Aug 31 11:00:34 EDT 2009 x86_64 x86_64 x86_64 GNU/Linux -- David Sorkin <david.sorkin(a)citi.com> CATE - Network Engineering (908) 563-0017

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Examples are for V3?
by James Bowery 18 Nov '09

18 Nov '09

The examples at: http://www.stunnel.org/examples/ appear to be for version 3. This wasted a lot of my time.

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