Hi

I improved my ProFtpd by setting MaxInstances and MaxClients to
higher values, it then ran for 12 hours without a problem.

I have set them higher still and am watching the situation closely

Regards
Steve
>I am experiencing problems ProFTPD 1.2.10 on Debian (testing).
>Upon login attempts the daemon sometimes (not always but very often) exits
>with signal 11 and my FTP client throws a "Control connection closed."
>error.
>If you need any further pieces of information, please just let me know. Any
>suggestions and ideas are welcome and very much appreciated.
>
>--------------------------------------------------------
>SERVERNAME:~# proftpd -td5
>Checking syntax of configuration file
> - mod_tls/2.0.7: using OpenSSL 0.9.7e 25 Oct 2004
> - parsing '/etc/proftpd.conf' configuration SERVERNAME - SERVERNAME -
>Config for SERVERNAME.DOMAIN.TLD:
>SERVERNAME - Limit
>SERVERNAME - DenyGroup
>SERVERNAME - DefaultServer
>SERVERNAME - ServerIdent
>SERVERNAME - ListOptions
>SERVERNAME - TimesGMT
>SERVERNAME - Umask
>SERVERNAME - UserID
>SERVERNAME - UserName
>SERVERNAME - GroupID
>SERVERNAME - GroupName
>SERVERNAME - TransferLog
>SERVERNAME - AllowOverwrite
>SERVERNAME - DefaultRoot
>Syntax check complete.
>--------------------------------------------------------
>
>
>And some debug output (-d 9) of a session that triggered the segfault:
>
>
>May 20 13:43:34 SERVERNAME proftpd[23248]: SERVERNAME - scrubbing scoreboard
>
>May 20 13:43:34 SERVERNAME proftpd[23248]: SERVERNAME - ROOT PRIVS at
>../../../modules/mod_core.c:130
>May 20 13:43:34 SERVERNAME proftpd[23248]: SERVERNAME - RELINQUISH PRIVS at
>../../../modules/mod_core.c:132
>May 20 13:43:34 SERVERNAME proftpd[23248]: SERVERNAME - ROOT PRIVS at
>../../../modules/mod_core.c:160
>May 20 13:43:34 SERVERNAME proftpd[23248]: SERVERNAME - RELINQUISH PRIVS at
>../../../modules/mod_core.c:189
>May 20 13:43:34 SERVERNAME proftpd[23248]: SERVERNAME - FS: using system
>lstat()
>May 20 13:43:34 SERVERNAME proftpd[23248]: SERVERNAME - FS: using system
>lstat()
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME - ROOT PRIVS at
>../../../src/main.c:1162
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME - RELINQUISH PRIVS at
>../../../src/main.c:1166
>May 20 13:43:34 SERVERNAME proftpd[23248]: SERVERNAME - FS: using system
>lstat()
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) - ROOT
>PRIVS at ../../../src/main.c:1011
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>SETUP PRIVS at ../../../src/main.c:1016
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) - FTP
>session requested from unknown class
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>performing module session initializations
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>mod_delay/0.4: opening DelayTable '/var/run/proftpd/proftpd.delay'
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) - ROOT
>PRIVS at ../../../modules/mod_delay.c:761
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) - FS:
>using system open()
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>RELINQUISH PRIVS at ../../../modules/mod_delay.c:763
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) - ROOT
>PRIVS at ../../../modules/mod_auth.c:132
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>opening scoreboard '/var/run/proftpd/proftpd.scoreboard'
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>RELINQUISH PRIVS at ../../../modules/mod_auth.c:134
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>performing ident lookup
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>ident connection failed: Connection refused
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>ident lookup returned 'UNKNOWN'
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>connected - local : 213.203.208.142:21
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>connected - remote : 81.173.152.179:4313
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) - FTP
>session opened.
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching PRE_CMD command 'USER FTPUSER' to mod_rewrite
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching PRE_CMD command 'USER FTPUSER' to mod_tls
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching PRE_CMD command 'USER FTPUSER' to mod_core
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching PRE_CMD command 'USER FTPUSER' to mod_core
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching PRE_CMD command 'USER FTPUSER' to mod_delay
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching PRE_CMD command 'USER FTPUSER' to mod_auth
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching auth request "endpwent" to module mod_radius
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching auth request "endpwent" to module mod_auth_file
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching auth request "endpwent" to module mod_auth_unix
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching auth request "endgrent" to module mod_radius
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching auth request "endgrent" to module mod_auth_file
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching auth request "endgrent" to module mod_auth_unix
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching CMD command 'USER FTPUSER' to mod_ratio
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching CMD command 'USER FTPUSER' to mod_auth
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching auth request "getgroups" to module mod_radius
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching auth request "getgroups" to module mod_auth_file
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching auth request "getgroups" to module mod_auth_unix
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching POST_CMD command 'USER FTPUSER' to mod_delay
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>mod_delay/0.4: selecting median interval from 256 values
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching LOG_CMD command 'USER FTPUSER' to mod_log
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching PRE_CMD command 'PASS (hidden)' to mod_rewrite
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching PRE_CMD command 'PASS (hidden)' to mod_tls
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching PRE_CMD command 'PASS (hidden)' to mod_core
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching PRE_CMD command 'PASS (hidden)' to mod_core
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching PRE_CMD command 'PASS (hidden)' to mod_delay
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching PRE_CMD command 'PASS (hidden)' to mod_wrap
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching PRE_CMD command 'PASS (hidden)' to mod_radius
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching PRE_CMD command 'PASS (hidden)' to mod_auth
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching auth request "endpwent" to module mod_radius
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching auth request "endpwent" to module mod_auth_file
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching auth request "endpwent" to module mod_auth_unix
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching auth request "endgrent" to module mod_radius
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching auth request "endgrent" to module mod_auth_file
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching auth request "endgrent" to module mod_auth_unix
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching CMD command 'PASS (hidden)' to mod_auth
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching auth request "getgroups" to module mod_radius
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching auth request "getgroups" to module mod_auth_file
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching auth request "getgroups" to module mod_auth_unix
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching auth request "getpwnam" to module mod_radius
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching auth request "getpwnam" to module mod_auth_file
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching auth request "getpwnam" to module mod_auth_unix
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching auth request "gid_name" to module mod_radius
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching auth request "gid_name" to module mod_auth_file
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching auth request "gid_name" to module mod_auth_unix
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching auth request "auth" to module mod_radius
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching auth request "auth" to module mod_tls
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>dispatching auth request "auth" to module mod_auth_pam
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) - ROOT
>PRIVS at ../../../modules/mod_auth_pam.c:258
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) -
>ProFTPD terminating (signal 11)
>May 20 13:43:34 SERVERNAME proftpd[24029]: SERVERNAME (USER@PROVIDER) - FTP
>session closed.
>
>
>
>
>
>
>
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