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Created attachment 925364 [details] Restore log of successful logins Description of problem: For a long time pppd has stopped logging successful chap logins from a 'peer' to pppd itself (ie: pppd used by pptpd as VPN server), while it keeps on logging failed attempts. I think this is a bug, because at one time (ie RHEL3 or something like that) it did log successful logins and it's useful to look at the logs and see the usernames of people who accessed the system. Version-Release number of selected component (if applicable): ppp-2.4.5-33.el7.x86_64 How reproducible: Install PPTPD and: - login with wrong password: username gets logged Aug 9 10:43:07 linux6 pppd[8392]: Using interface ppp0 Aug 9 10:43:07 linux6 pppd[8392]: Connect: ppp0 <--> /dev/pts/2 Aug 9 10:43:10 linux6 pppd[8392]: Peer abcd failed CHAP authentication <<=== - login with correct password: no username is logged Aug 9 10:43:21 linux6 pppd[8403]: Using interface ppp0 Aug 9 10:43:21 linux6 pppd[8403]: Connect: ppp0 <--> /dev/pts/2 Aug 9 10:43:24 linux6 pppd[8403]: MPPE 128-bit stateless compression enabled Aug 9 10:43:26 linux6 pppd[8403]: local IP address 10.0.0.1 Aug 9 10:43:26 linux6 pppd[8403]: remote IP address 10.0.0.2 Additional info: I'm attaching a patch which restores the log, I got the patch from here http://osdir.com/ml/network.poptop/2004-10/msg00085.html Successful login with the patch: Aug 9 10:58:24 linux6 pppd[8852]: Using interface ppp0 Aug 9 10:58:24 linux6 pppd[8852]: Connect: ppp0 <--> /dev/pts/2 Aug 9 10:58:27 linux6 pppd[8852]: Peer abcd CHAP authentication succeeded <<== Aug 9 10:58:27 linux6 pppd[8852]: MPPE 128-bit stateless compression enabled Aug 9 10:58:28 linux6 pppd[8852]: local IP address 10.0.0.1 Aug 9 10:58:28 linux6 pppd[8852]: remote IP address 10.0.0.2