Security Basics mailing list archives

AW: TCP vs UDP


From: "Robert Sieber" <rsieber () web de>
Date: Wed, 13 Nov 2002 17:52:32 +0100

From my point of view the only difference as you know is in connection
handling: tcp ist connection orientated and udp conection less.
You shouldn´t close ports - you should close al ports and only allow
needed ports. So you can figure out which ports are needed and if they
are udp or tcp.

Robert

--
http://board.protecus.de - Firewalls, Security and more ...




-----Ursprüngliche Nachricht-----
Von: security-basics-return-15837-rsieber=web.de () securityfocus com
[mailto:security-basics-return-15837-rsieber=web.de () securityfocus com]Im
Auftrag von Roberto Ramsis
Gesendet: Freitag, 8. November 2002 11:23
An: security-basics () securityfocus com
Betreff: TCP vs UDP


hello
thanks to everyone who replied to my last msg
what's the difference between a port TCP and UDP?
i am talking from a firewall concept,i want to know ,if i need to block a
port,when should i block TCP and when UDP and when both?
Thanks in advance

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