Hi all, today i've runned into a very suspicious problem never seen before: While any other IMAP and POP3 ports with and without SSL / TLS are working - connects to imaps (993) just hangs, there is nothing in the logs and a openssl s_client -connect mail.myhost.abc:993 just brings out: CONNECTED(00000003) what times out after minutes. Connection to 995 (POP3s) works perfectly. A imtest -v -s against the IP of the machine hangs on: starting TLS engine setting up TLS connection SSL_connect:before/connect initialization write to 7F185DDB6480 [7F185DDC48F3] (216 bytes => 216 (0xD8)) 0000 16 03 01 00 d3 01 00 00|cf 03 01 da 39 78 63 50 0010 b3 95 c8 e9 2f 11 4c 6c|de 39 e2 01 d1 e5 da 34 0020 61 e7 8d a5 85 68 6d 7a|14 e0 59 00 00 5c c0 14 0030 c0 0a 00 39 00 38 00 88|00 87 c0 0f c0 05 00 35 0040 00 84 c0 13 c0 09 00 33|00 32 00 9a 00 99 00 45 0050 00 44 c0 0e c0 04 00 2f|00 96 00 41 00 07 c0 11 0060 c0 07 c0 0c c0 02 00 05|00 04 c0 12 c0 08 00 16 0070 00 13 c0 0d c0 03 00 0a|00 15 00 12 00 09 00 14 0080 00 11 00 08 00 06 00 03|00 ff 02 01 00 00 49 00 0090 0b 00 04 03 00 01 02 00|0a 00 34 00 32 00 0e 00 00a0 0d 00 19 00 0b 00 0c 00|18 00 09 00 0a 00 16 00 00b0 17 00 08 00 06 00 07 00|14 00 15 00 04 00 05 00 00c0 12 00 13 00 01 00 02 00|03 00 0f 00 10 00 11 00 00d0 23 00 00 00 0f 00 01 01| SSL_connect:SSLv3 write client hello A I tried to delete tls_sessions and even connecting to localhost (where it is bound too). netstat shows ESTABLISHED on such connections too. The service is configured (and worked until tonight!): imaps cmd="imapd -s" listen="imaps" prefork=0 maxchild=150 pop3s cmd="pop3d -s" listen="pop3s" prefork=0 maxchild=50 A crazy thing is, that connections to "localhost" seems to work as soon as it uses the IPv6 adress of the localhost (::): imtest -v -s localhost while the IPv4 variant doesnt seem to work: imtest -v -s 127.0.0.1 Because we did not use any IPv6 on that Gentoo machine i've disabled any IPv6 stuff now which doesnt seem to help. cyrus-imap is compiled with: berkdb nntp pam sieve snmp sqlite ssl tcpd without: -afs -kerberos -mysql -postgres -replication dev-libs/openssl is 1.0.1k compiled with: sse2 tls-heartbeat zlib without: -bindist -gmp -kerberos -rfc3779 -static-libs -test -vanilla anything under Intel Xeon (bare metal). many thanks for any help or ideas where to look further? Some logs: startup: Jan 13 11:06:41 blade4 master[12565]: about to exec /usr/lib64/cyrus/ctl_cyrusdb Jan 13 11:06:41 blade4 ctl_cyrusdb[12565]: SQL backend defaulting to engine 'sqlite' Jan 13 11:06:41 blade4 ctl_cyrusdb[12565]: recovering cyrus databases Jan 13 11:06:41 blade4 ctl_cyrusdb[12565]: skiplist: checkpointed /email/lib/cyrus/mailboxes.db (477 records, 60868 bytes) in 0 seconds Jan 13 11:06:41 blade4 ctl_cyrusdb[12565]: skiplist: checkpointed /email/lib/cyrus/annotations.db (0 records, 144 bytes) in 0 seconds Jan 13 11:06:42 blade4 ctl_cyrusdb[12565]: done recovering cyrus databases Jan 13 11:06:42 blade4 master[12595]: about to exec /usr/lib64/cyrus/idled Jan 13 11:06:42 blade4 master[12598]: about to exec /usr/lib64/cyrus/ctl_deliver Jan 13 11:06:42 blade4 master[12599]: about to exec /usr/lib64/cyrus/ctl_cyrusdb Jan 13 11:06:42 blade4 master[12597]: about to exec /usr/lib64/cyrus/tls_prune Jan 13 11:06:42 blade4 ctl_cyrusdb[12599]: SQL backend defaulting to engine 'sqlite' Jan 13 11:06:42 blade4 ctl_cyrusdb[12599]: checkpointing cyrus databases Jan 13 11:06:42 blade4 ctl_cyrusdb[12599]: archiving database file: /email/lib/cyrus/mailboxes.db Jan 13 11:06:42 blade4 ctl_cyrusdb[12599]: archiving database file: /email/lib/cyrus/annotations.db Jan 13 11:06:42 blade4 ctl_cyrusdb[12599]: done checkpointing cyrus databases Jan 13 11:06:42 blade4 tls_prune[12597]: skiplist: checkpointed /email/lib/cyrus/tls_sessions.db (1 record, 324 bytes) in 0 seconds Jan 13 11:06:42 blade4 cyr_expire[12598]: skiplist: checkpointed /email/lib/cyrus/deliver.db (804 records, 121348 bytes) in 0 seconds and: Jan 13 11:07:54 blade4 master[12559]: exiting on SIGTERM/SIGINT Jan 13 11:07:54 blade4 master[25695]: setrlimit: Unable to set file descriptors limit to -1: Operation not permitted Jan 13 11:07:54 blade4 master[25695]: retrying with 4096 (current max) Jan 13 11:07:54 blade4 master[25695]: process started Jan 13 11:07:54 blade4 master[25699]: about to exec /usr/lib64/cyrus/ctl_cyrusdb Jan 13 11:07:55 blade4 ctl_cyrusdb[25699]: SQL backend defaulting to engine 'sqlite' Jan 13 11:07:55 blade4 ctl_cyrusdb[25699]: recovering cyrus databases Jan 13 11:07:55 blade4 ctl_cyrusdb[25699]: skiplist: checkpointed /email/lib/cyrus/mailboxes.db (477 records, 60868 bytes) in 0 seconds Jan 13 11:07:55 blade4 ctl_cyrusdb[25699]: skiplist: checkpointed /email/lib/cyrus/annotations.db (0 records, 144 bytes) in 0 seconds Jan 13 11:07:55 blade4 ctl_cyrusdb[25699]: done recovering cyrus databases Jan 13 11:07:55 blade4 master[26043]: about to exec /usr/lib64/cyrus/idled Jan 13 11:07:55 blade4 master[25695]: unable to setsocketopt(IP_TOS): Operation not supported Jan 13 11:07:55 blade4 master[25695]: ready for work Jan 13 11:07:55 blade4 master[26046]: about to exec /usr/lib64/cyrus/ctl_deliver Jan 13 11:07:55 blade4 master[26047]: about to exec /usr/lib64/cyrus/ctl_cyrusdb Jan 13 11:07:55 blade4 master[26045]: about to exec /usr/lib64/cyrus/tls_prune Jan 13 11:07:56 blade4 cyr_expire[26046]: SQL backend defaulting to engine 'sqlite' Jan 13 11:07:56 blade4 ctl_cyrusdb[26047]: SQL backend defaulting to engine 'sqlite' Jan 13 11:07:56 blade4 ctl_cyrusdb[26047]: checkpointing cyrus databases Jan 13 11:07:56 blade4 ctl_cyrusdb[26047]: archiving database file: /email/lib/cyrus/mailboxes.db Jan 13 11:07:56 blade4 tls_prune[26045]: SQL backend defaulting to engine 'sqlite' Jan 13 11:07:56 blade4 idled[26044]: SQL backend defaulting to engine 'sqlite' Jan 13 11:07:56 blade4 ctl_cyrusdb[26047]: archiving database file: /email/lib/cyrus/annotations.db Jan 13 11:07:56 blade4 ctl_cyrusdb[26047]: done checkpointing cyrus databases Jan 13 11:07:56 blade4 master[25695]: process 26047 exited, status 0 Jan 13 11:07:56 blade4 tls_prune[26045]: skiplist: checkpointed /email/lib/cyrus/tls_sessions.db (1 record, 324 bytes) in 0 seconds Jan 13 11:07:56 blade4 tls_prune[26045]: tls_prune: purged 0 out of 1 entries Jan 13 11:07:56 blade4 master[25695]: process 26045 exited, status 0 Jan 13 11:07:56 blade4 cyr_expire[26046]: skiplist: checkpointed /email/lib/cyrus/deliver.db (800 records, 120752 bytes) in 0 seconds Jan 13 11:07:59 blade4 cyr_expire[26046]: Expunged 0 out of 475379 messages from 477 mailboxes Jan 13 11:07:59 blade4 cyr_expire[26046]: duplicate_prune: pruning back 3.00 days Jan 13 11:07:59 blade4 cyr_expire[26046]: duplicate_prune: purged 0 out of 800 entries Jan 13 11:07:59 blade4 cyr_expire[26046]: DIGEST-MD5 common mech free Jan 13 11:07:59 blade4 master[25695]: process 26046 exited, status 0 (i do not use mysql in cyrus so the sql error should only be "fun" - not shure why it still shows in my logs even if i did not compiled mysql in (what blocked correct auth before)). many thanks! best regards, Niels. -- --- Niels Dettenbach Syndicat IT & Internet http://www.syndicat.com PGP: https://syndicat.com/pub_key.asc ---
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