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Publishing UDP server locks up ISA.

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Publishing UDP server locks up ISA. - 27.Nov.2006 3:39:06 PM   
Kerry.Kriegel

 

Posts: 30
Joined: 17.Sep.2004
From: Racine, Wisconsin
Status: offline
I have a Cisco PIX on the outside of ISA.  The PIX snmp logger is on the inside of ISA.  I created a protocol named PFSS which.  When the definition of the protocol is TCP - Inbound - Port 1471 everything works just great.

Because of some issues with the PIX, TCP logging is not a good idea (stops passing traffic if it can't reach the logger).  So, I changed the definition of the PFSS protocol to UDP- Receive - 65535 and click apply.

The firewall service will not start and the system grinds to a very slow crawl.

1. Is there something wrong with publishing a UDP server?
2. Is there something unique about UDP 65535?
3. If I use a different port should I expect this to work?



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WANMAN
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RE: Publishing UDP server locks up ISA. - 29.Nov.2006 11:13:49 AM   
tshinder

 

Posts: 50013
Joined: 10.Jan.2001
From: Texas
Status: offline
Try a different port in the well known ports range.

HTH,
Tom

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Thomas W Shinder, M.D.

(in reply to Kerry.Kriegel)
Post #: 2
RE: Publishing UDP server locks up ISA. - 30.Nov.2006 1:42:33 PM   
Kerry.Kriegel

 

Posts: 30
Joined: 17.Sep.2004
From: Racine, Wisconsin
Status: offline
Following your suggestion, I tried several different ports between 1 and 1024 (I stayed away from zero) and they each worked fine.

My PIX however required that I use something between 1025 and 65535.  I tried only a couple from in there (staying away from 65535) and they also worked fine.  My logging is currently online with a published server using UDP Receive 1471.

Not quite sure why 65535 is a no no, and since this is an active server I can not try zero - but, Thanks. I am online.

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WANMAN

(in reply to Kerry.Kriegel)
Post #: 3
RE: Publishing UDP server locks up ISA. - 1.Dec.2006 10:00:51 AM   
tshinder

 

Posts: 50013
Joined: 10.Jan.2001
From: Texas
Status: offline
Hi Kerry,

Great! I guess that 65535 is reserved for some reason.

Thanks!
Tom

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Thomas W Shinder, M.D.

(in reply to Kerry.Kriegel)
Post #: 4

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