RE: What Ports Does IPSEC Use?

["Strahm, Bill" <bill.strahm@intel.com>]

I'm not sure what you mean.  As a layer three protocol, IPSEC itself has no
knowledge of ports at all (they are a layer 4 concept) Infact ESP will
encrypt the port information if it is a TCP/UDP packet.

If you are asking what ports various protocols within IPSEC use I believe
that IKE uses port 500 to handle IKE negotiations.

Bill

______________________________________________
Bill Strahm        Programming today is a race between
bill.strahm@      software engineers striving to build
intel.com           bigger and better idiot-proof programs,
(503) 264-4632   and the Universe trying to produce
            bigger and better idiots.  So far, the
                        Universe is winning.--Rich Cook
I am not speaking for Intel.  And Intel rarely speaks for me


> -----Original Message-----
> From: Franz, Joseph [mailto:joseph.franz@eds.com]
> Sent: Wednesday, March 01, 2000 1:11 PM
> To: 'ipsec@lists.tislabs.com'
> Subject: What Ports Does IPSEC Use?
> 
> 
> Just a quick question for the group:
> 
> What port(s) does IPSEC use?  I've learned that VPN-like 
> services use UDP,
> but is there a particular port that IPSEC uses; any 
> recommendations on which
> port(s) to use?
> 
> Joseph Franz  |  EDS  |  Wholesale ASP Services
> 10975 Benson Drive, Suite 400  |  Overland Park, Kansas 66210
> Tel:  (913) 663.6755  |  PCS:  (913) 269.8870
> e-mail:  joseph.franz@eds.com
> 
> 
>

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