[Serusers] maxfwd module with Max-Forwards > 255 broken

Jan Janak jan at iptel.org
Thu Sep 1 10:04:15 CEST 2005


On 31-08-2005 16:27, Hendrik Scholz wrote:
> Hi!
> 
> I checked how SER would behave with large Max-Forwards values.
> Paragraph 20.22 of RFC 3261 notes Max-Forwards to be anywhere between 0
> and 255 but SER lacks a check for the upper boundry in the maxfwd module.
> 
> I'm not sure how the correct way to remove the broken header field and
> introducing a correct one would be so I leave this for somebody who
> knows :)

  There is the possibility to limit the maximum Max-Forwards value in
  SER. Maxfwd modules has the parameter called max_limit. If SER
  receives a message with Max-Forwards value larger than the value of
  the parameter then it will be automatically lowered.

     Jan.




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