[OpenSER-Devel] tcp transport has stopped working

[Bogdan-Andrei Iancu]

Hi Juha,

I found and fix the problem - please update and see if the issue 
disappeared.

Thanks and regards,
Bogdan

Juha Heinanen wrote:
> Juha Heinanen writes:
>
>  > some users complained that they are not anymore able to register to
>  > openser (svn trunk version) using tcp transport.  i then tested myself
>  > and indeed tcp session is setup fine from sip ua to openser, then
>  > openser receives register request from sip ua and sends back tcp ack,
>  > but 401 (that should follow) never shows up on the wire.
>
> i turned on debug and got the following:
>
> Sep  8 21:16:04 localhost /usr/sbin/openser[24456]: tcpconn_new: new tcp connection to: 192.98.101.10
> Sep  8 21:16:04 localhost /usr/sbin/openser[24456]: tcpconn_new: on port 57487, type 2
> Sep  8 21:16:04 localhost /usr/sbin/openser[24456]: tcpconn_add: hashes: 591, 2
> Sep  8 21:16:04 localhost /usr/sbin/openser[24456]: handle_new_connect: new connection: 0xb57db470 23 flags: 0002
> Sep  8 21:16:04 localhost /usr/sbin/openser[24456]: send2child: to tcp child 1 0(24452), 0xb57db470
> Sep  8 21:16:04 localhost /usr/sbin/openser[24452]: received n=4 con=0xb57db470, fd=19
> Sep  8 21:16:04 localhost /usr/sbin/openser[24452]: DBG: io_watch_add(0x812b200, 19, 2, 0xb57db470), fd_no=1
> Sep  8 21:16:04 localhost /usr/sbin/openser[24452]: tcp_read_req: content-length= 0
> Sep  8 21:16:04 localhost /usr/sbin/openser[24452]: SIP Request:
> Sep  8 21:16:04 localhost /usr/sbin/openser[24452]:  method:  <REGISTER>
> Sep  8 21:16:04 localhost /usr/sbin/openser[24452]:  uri:     <sip:test.fi>
> Sep  8 21:16:04 localhost /usr/sbin/openser[24452]:  version: <SIP/2.0>
> Sep  8 21:16:04 localhost /usr/sbin/openser[24452]: parse_headers: flags=2
> Sep  8 21:16:04 localhost /usr/sbin/openser[24452]: Found param type 232, <branch> = <z9hG4bK13FA14FE>; state=6
> Sep  8 21:16:04 localhost /usr/sbin/openser[24452]: Found param type 237, <alias> = <n/a>; state=16
> Sep  8 21:16:04 localhost /usr/sbin/openser[24452]: end of header reached, state=5
> Sep  8 21:16:04 localhost /usr/sbin/openser[24452]: parse_headers: Via found, flags=2
> Sep  8 21:16:04 localhost /usr/sbin/openser[24452]: parse_headers: this is the first via
> Sep  8 21:16:04 localhost /usr/sbin/openser[24452]: After parse_msg...
> Sep  8 21:16:04 localhost /usr/sbin/openser[24452]: ERROR: tcpconn_add_alias: possible port hijack attempt
> Sep  8 21:16:04 localhost /usr/sbin/openser[24452]: ERROR: tcpconn_add_alias: alias already present and points to another connection (1 : 5062 and 2 : 5062)
> Sep  8 21:16:04 localhost /usr/sbin/openser[24452]:  ERROR: receive_msg: tcp alias failed
>
> i have in openser.cfg:
>
> listen=192.98.101.10
> alias=sip.test.fi:5060
> tcp_accept_aliases=yes
> auto_aliases=no
>
> sip ua is listening on port 5062 and uses that port in its via header:
>
> Via: SIP/2.0/TCP x.x.x.x:5062;branch=z9hG4bK2B2B03D8;alias
>
> -- juha
>
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