[sr-dev] [tracker] Task opened: Change default max_limit in maxfwd module to RfC3261 recommended value (Attachment added)

[sip-router]

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A new Flyspray task has been opened.  Details are below. 

User who did this - Sebastian Damm (sdamm) 

Attached to Project - sip-router
Summary - Change default max_limit in maxfwd module to RfC3261 recommended value
Task Type - Bug Report
Category - Module
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - Low
Priority - Normal
Reported Version - 4.1
Due in Version - Undecided
Due Date - Undecided
Details - RfC3261 says about the Max-Forwards header:

  A UAC MUST insert a Max-Forwards header field into each request it originates with a value that SHOULD be 70.

Since Kamailio 4.0 the default max_limit of the Max-Forwards header in maxfwd module has been decreased from 256 to 16. This might surprise users upgrading and could even lead to interoperability issues, because when converting calls from SIP to ISUP, the value can be used to set the Hop Counter, and when assuming 70 as the starting value, the system can reject the packet because the Hop Counter is already too high.

Attached is a patch setting the default max_limit to 70. 

One or more files have been attached.

More information can be found at the following URL:
http://sip-router.org/tracker/index.php?do=details&task_id=418

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