Normally you block everything except the ones you authorized. chat servers can be modified to use any port...
On Sat, 29 Dec 2001, Chris G Haravata wrote: > what is normally the port used by internet chats like yahoo and/or msn > messenger? and what is the port used by ICQ? you see, i have a layer 3 > switch capable of blocking ports, and i've thought of blocking the port eing > used by chatting. hirap k'se sa college setting, hirap pagbawalan ang > lahat, kahit, may klase, nakuuu... :) > > ----------------------- > Spawn - The Scourge of the Damned > > Chris G Haravata > IT Resource Officer-Magallanes > Asia Pacific College (http://www.apc.edu.ph) > #3 Humabon Place, Magallanes Subd., > Makati City > Tel No 8529232 loc 402 > Cell No 0916.3500465 > http://www.dynamicsms.com.au/intro.asp?ref=09163500465&refc=382 > > > > --- > Outgoing mail is certified Virus Free. > Checked by AVG anti-virus system (http://www.grisoft.com). > Version: 6.0.310 / Virus Database: 171 - Release Date: 12/19/2001 > > _ > Philippine Linux Users Group. Web site and archives at http://plug.linux.org.ph > To leave: send "unsubscribe" in the body to [EMAIL PROTECTED] > > To subscribe to the Linux Newbies' List: send "subscribe" in the body to >[EMAIL PROTECTED] > _ Philippine Linux Users Group. Web site and archives at http://plug.linux.org.ph To leave: send "unsubscribe" in the body to [EMAIL PROTECTED] To subscribe to the Linux Newbies' List: send "subscribe" in the body to [EMAIL PROTECTED]
