[Users] avp_check in OpenSER 1.1

[Klaus Darilion]

openser is doing reverse DNS lookups? I do not understand why.
avp_check uses a regular expression, comparing the string in $dd with 
the pattern 192\...... AFAIK openser does not care if these strings are 
domains, IP addresses or anything else

regards
klaus

Carsten Bock wrote:
> Hi Everybody,
> 
> I have a question regarding avp_check() and reverse-DNS-Lookups: I
> wanted to do the following in the routing logic (simplified):
> 
> 	loose_route();
> 	if (avp_check("$dd","re/192\.168.123.(1|2)/g")) {
> 	
> The idea was to allow flexible re-routing to another proxy in case of
> loose-routing. One proxy would be the alias of the other, and so far,
> everything was fine.
> What happened now: We had a customer, who's IP could not be
> "reverse-lookuped" properly, the DNS-Server ran into an timeout. After
> we removed the code-snipplet from the routing, everything was fine
> (again); except this functionality drawback.
> 
> I believe, in OpenSER 1.2 i could replace it with the following, to
> avoid the reverse-lookups:
> 
> if (($dd == 192.168.123.1) || ($dd == 192.168.123.2)) {
> 
> Am i right? Would this work?
> 
> Can i somehow avoid the reverse-lookup in OpenSER 1.1?
> 
> Thank you everybody,
> 
> Carsten
> 
> 
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