>From : Mondher GAM
Systems & Security Engineer
NETCOM-Ltd
Tunis-TUNISIA
e-mail : mondher .
gam @
netcom .
com .
tn
to: Firewalls @
GreatCircle .
COM
>I am a computer communication engineer. I started my master
>I want to choose a point for search in firewalls.
>The problem is I can't determine the hot subjects these days
>can anyone help me?
>
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I'm a computer-scinence enginneer specialized in Networks & computer
communications , and , I have already used the TIS Internet Firewall toolkit
to implement our proper firewall system for my university and that was in
terms of my final project of studies. I have in this context already used
the topology of dual homed gateway, and the testing of all the
services-proxies and everything was allright.
Now I'm working in a company specialized in the networking domain, where
I'm the security administrator and system engineer .
I have already contacted Mr Ranum ( who has worked on the TIS Firewall
Toolkit ) and I advize you to look up to these two points, after of course
setting-up a firewall architecture inside your local site :
i). the first is about the ARP ( Adress Resolution Protocole ). How can we
realize the correspondance between the physical ethernet hard adress and the
IP logical adress? That is of course for getting a stronger measure of
security.
ii). the second one is about UDP protocole. We all know, that many services
are UDP based such as SNMP and NFS and it's thus more important to take
security measures for this connectioneless protocole. So, how can we
securize it? and what are the works that had been made for this protocole?
In fact, the TIS FW Toolkit does not provide any security measures for the
UDP-based services. So it's a best guess.
Good luck for your master Mohamed, and please contact me for any documents
or information need.
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######## Nothing is impossible, all taht exists is incapable people
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Mondher GAM
Systems & Security Engineer
NETCOM-Ltd
Tunis-TUNISIA
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