X ports?

[Busse Rich - rbusse]

Hi,
 
Does the X protocol use specific IP ports?
 
We have been running X in a trusted network situation but now also need to use X in a WAN / VPN situation. If there are special ports for X, I'll need to have the firewall guys open them.
 
Thanks for your help.
 
Rich Busse | Openview/SiteScope System Administrator
Acxiom Enterprise Management Group   
+1-1-908-665-6263 office | +1-1-908-723-3175 cell | +1-1-908-665-6362 fax
100 Locust Ave | Berkeley Heights, NJ, 07922 | US | www.acxiom.com <https://owa.acxiom.com/exchweb/bin/redir.asp?URL=http://www.acxiom.com/> 
Rich.Busse at acxiom.com
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