You might want to try using a VPN connection for exchange admin. It's an awful lot more secure than opening up those ports at the firewall. Especially 135! Cheers Jason > -----Original Message----- > From: stef [mailto:stef@xxxxxxxxxxxxxxxx] > Sent: 24 February 2004 13:53 > To: [ExchangeList] > Subject: [exchangelist] Port use by exchange Admin > > http://www.MSExchange.org/ > > Hi > > What are the protocol use by exchange administrator 5.5 ? > I actually have the port 135 4410 4411 open though the firewall. > I can access the server but cannot do any modification on account. > > Thanks for your help > Stef > > ------------------------------------------------------ > List Archives: > http://www.webelists.com/cgi/lyris.pl?enter=exchangelist > Exchange Newsletters: http://www.msexchange.org/pages/newsletter.asp > Exchange FAQ: http://www.msexchange.org/pages/larticle.asp?type=FAQ > ------------------------------------------------------ > Other Internet Software Marketing Sites: > Leading Network Software Directory: http://www.serverfiles.com > No.1 ISA Server Resource Site: http://www.isaserver.org > Windows Security Resource Site: > http://www.windowsecurity.com/ Network Security Library: > http://www.secinf.net/ Windows 2000/NT Fax Solutions: > http://www.ntfaxfaq.com > ------------------------------------------------------ > >