[sr-dev] [tracker] Task opened: tcp_connect_timeout has no effect (Attachment added)
admin at sip-router.org
Wed Jun 15 11:47:37 CEST 2011
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User who did this - Iñaki Baz Castillo (ibc)
Attached to Project - sip-router
Summary - tcp_connect_timeout has no effect
Task Type - Bug Report
Category - tcp
Status - Assigned
Assigned To - Andrei Pelinescu-Onciul
Operating System - Linux
Severity - Low
Priority - Normal
Reported Version - Development
Due in Version - Undecided
Due Date - Undecided
Details - It seems that tcp_connect_timeout has no effect at all. I set it to 3 seconds and try sending a request with RURI "sip:lalalala at 220.127.116.11:7777;transport=tcp". The server 18.104.22.168 refuses the TCP connection (REJECT action in iptables rather than DROP), try yourself:
~# telnet 22.214.171.124 7777
telnet: Unable to connect to remote host: Connection refused
However when my Kamailio tries to open a TCP connection with such destination, it produces a local 408 after 30 seconds (fr_timer = 30000)!
Since Kamailio should detect that the TCP connection is rejected, I expect that it should generate a local 503 for the client transaction as RFC 3261 states, am I wrong?
PS: I attach the log of a call to "sip:lalalala at 126.96.36.199:7777;transport=tcp".
version: kamailio 3.2.0-dev5 (x86_64/linux) 552425
flags: STATS: Off, USE_IPV6, USE_TCP, USE_TLS, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MEM, SHM_MMAP, PKG_MALLOC, DBG_QM_MALLOC, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLACKLIST, HAVE_RESOLV_RES
ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 4MB
poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
compiled on 09:46:21 Jun 15 2011 with gcc 4.5.2
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