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<p class="MsoNormal">Hi,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">we would like to use stunnel in transpartent mode. Therefore we already applied iptable changes as mentioned in the man page :<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US">Re-write address to appear as if wrapped daemon is connecting from the SSL client machine instead of the machine running stunnel.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"> This option is currently available in:<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"> remote mode (I<connect> option) on Linux >=2.6.28<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"> Linux >=2.6.28 requires the following setup for iptables and routing (possibly in /etc/rc.local or equivalent file):<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"> iptables -t mangle -N DIVERT<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"> iptables -t mangle -A PREROUTING -p tcp -m socket -j DIVERT<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"> iptables -t mangle -A DIVERT -j MARK --set-mark 1<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"> iptables -t mangle -A DIVERT -j ACCEPT<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"> ip rule add fwmark 1 lookup 100<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:35.4pt"><span lang="EN-US"> ip route add local 0.0.0.0/0 dev lo table 100<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">However the connection to the services cannot be established and we run into a timeout.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:03 LOG7[6658:139940568909760]: ldaps-in accepted FD=12 from xxxxxx:51018<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:03 LOG7[6658:139940568905472]: ldaps-in started<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:03 LOG7[6658:139940568905472]: FD 12 in non-blocking mode<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:03 LOG7[6658:139940568905472]: Waiting for a libwrap process<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:03 LOG7[6658:139940568905472]: Acquired libwrap process #0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:03 LOG7[6658:139940568905472]: Releasing libwrap process #0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:03 LOG7[6658:139940568905472]: Released libwrap process #0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:03 LOG7[6658:139940568905472]: ldaps-in permitted by libwrap from xxxxxxx:51018<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:03 LOG5[6658:139940568905472]: ldaps-in accepted connection from xxxxxxx:51018<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:03 LOG7[6658:139940568905472]: SSL state (accept): before/accept initialization<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:03 LOG7[6658:139940568905472]: SSL state (accept): SSLv3 read client hello A<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:03 LOG7[6658:139940568905472]: SSL state (accept): SSLv3 write server hello A<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:03 LOG7[6658:139940568905472]: SSL state (accept): SSLv3 write certificate A<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:03 LOG7[6658:139940568905472]: SSL state (accept): SSLv3 write server done A<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:03 LOG7[6658:139940568905472]: SSL state (accept): SSLv3 flush data<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:03 LOG7[6658:139940568905472]: SSL state (accept): SSLv3 read client key exchange A<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:03 LOG7[6658:139940568905472]: SSL state (accept): SSLv3 read finished A<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:03 LOG7[6658:139940568905472]: SSL state (accept): SSLv3 write change cipher spec A<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:03 LOG7[6658:139940568905472]: SSL state (accept): SSLv3 write finished A<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:03 LOG7[6658:139940568905472]: SSL state (accept): SSLv3 flush data<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:03 LOG7[6658:139940568905472]: 1 items in the session cache<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:03 LOG7[6658:139940568905472]: 0 client connects (SSL_connect())<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:03 LOG7[6658:139940568905472]: 0 client connects that finished<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:03 LOG7[6658:139940568905472]: 0 client renegotiations requested<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:03 LOG7[6658:139940568905472]: 1 server connects (SSL_accept())<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:03 LOG7[6658:139940568905472]: 1 server connects that finished<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:03 LOG7[6658:139940568905472]: 0 server renegotiations requested<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:03 LOG7[6658:139940568905472]: 0 session cache hits<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:03 LOG7[6658:139940568905472]: 0 external session cache hits<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:03 LOG7[6658:139940568905472]: 0 session cache misses<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:03 LOG7[6658:139940568905472]: 0 session cache timeouts<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:03 LOG6[6658:139940568905472]: SSL accepted: new session negotiated<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:03 LOG6[6658:139940568905472]: Negotiated ciphers: AES256-SHA SSLv3 Kx=RSA Au=RSA Enc=AES(256) Mac=SHA1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:03 LOG7[6658:139940568905472]: FD 13 in non-blocking mode<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:03 LOG6[6658:139940568905472]: local_bind succeeded on the original port<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:03 LOG6[6658:139940568905472]: connect_blocking: connecting 127.0.0.1:10389<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:03 LOG7[6658:139940568905472]: connect_blocking: s_poll_wait 127.0.0.1:10389: waiting 10 seconds<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:13 LOG3[6658:139940568905472]: connect_blocking: s_poll_wait 127.0.0.1:10389: timeout<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:13 LOG5[6658:139940568905472]: Connection reset: 0 bytes sent to SSL, 0 bytes sent to socket<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">2015.02.09 10:00:13 LOG7[6658:139940568905472]: ldaps-in finished (0 left)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Any idea why the timeout is occuring?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Best regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Shushant<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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