[stunnel-users] Reverse DNS lookup in stunnel log possible?
mkanet at yahoo.com
mkanet at yahoo.com
Wed Jul 24 20:57:39 CEST 2013
I currently have stunnel strip SSL from incoming https connections; which then passes the connections to a proxy before ultimately reaching my web server. So, the only easy way to see where incoming connections are coming from are in the stunnel log.
Below, is a small example of what my stunnel log looks like (no, those arent the real IPs ). The information below would be much more useful to me if it included the DNS names in addition to their numeric IP.
I currently have the latest Windows version of stunnel installed. It would be great to know how to get it to resolve DNS names as well in the log file; preferably without impeding general stunnel performance. I tried several debug levels; but none them did reverse DNS lookup. Hopefully someone know how to do this on a Windows stunnel setup.
2013.07.23 10:16:00 LOG5[10152:15136]: Service [stunnel-sslh] connected remote server from 188.8.131.52:58773
2013.07.23 10:16:00 LOG3[10152:15136]: SSL_read: Connection reset by peer (WSAECONNRESET) (10054)
2013.07.23 10:16:00 LOG5[10152:15136]: Connection reset: 272 byte(s) sent to SSL, 96 byte(s) sent to socket
2013.07.23 10:17:53 LOG5[10152:4000]: Service [stunnel-sslh] accepted connection from 184.108.40.206:5535
2013.07.23 10:17:53 LOG5[10152:4000]: connect_blocking: connected 220.127.116.11:7777
2013.07.23 10:17:53 LOG5[10152:4000]: Service [stunnel-sslh] connected remote server from 18.104.22.168:58799
2013.07.23 10:17:53 LOG5[10152:13212]: Service [stunnel-sslh] accepted connection from 22.214.171.124:5508
2013.07.23 10:17:53 LOG5[10152:3348]: Service [stunnel-sslh] accepted connection from 126.96.36.199:5509
2013.07.23 10:17:53 LOG5[10152:2884]: Service [stunnel-sslh] accepted connection from 188.8.131.52:5519
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