[tracker] Comment added: Via parser does not accept any token as transport - sr-dev

2 Sep 2011


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The following task has a new comment added:
FS#149 - Via parser does not accept any token as transport
User who did this - Iñaki Baz Castillo (ibc)
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RFC 3261 is very clear:
Via               =  ( "Via" / "v" ) HCOLON via-parm *(COMMA via-parm)
via-parm          =  sent-protocol LWS sent-by *( SEMI via-params )
via-params        =  via-ttl / via-maddr
                     / via-received / via-branch
                     / via-extension
via-ttl           =  "ttl" EQUAL ttl
via-maddr         =  "maddr" EQUAL host
via-received      =  "received" EQUAL (IPv4address / IPv6address)
via-branch        =  "branch" EQUAL token
via-extension     =  generic-param
sent-protocol     =  protocol-name SLASH protocol-version
                     SLASH transport
protocol-name     =  "SIP" / token
protocol-version  =  token
transport         =  "UDP" / "TCP" / "TLS" / "SCTP"
                     / other-transport
other-transport   =  token
So Via transport can be _token_, which means any ASCII string.
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More information can be found at the following URL:
http://sip-router.org/tracker/index.php?do=details&task_id=149#comment25...
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