Try using iptables #for restricting access from the linux box acting as internet and email gateway iptables -A OUTPUT -t filter -d 1.1.1.1 -j DROP #for clients that are accessing sites via the gateway iptables -A FORWARD -t filter -d 1.1.1.1 -j DROP I am a newbie... I do not know if this is the best way... others might have a better idea... just my $.02 Hope it helps! Raj On Thu, 24 Feb 2005 Sammy Msafiri wrote : >Hi guys, > >I have a redhat linux 7.2 box used as internet and email gateway. >I need to restrict access to some internet sites. > >How can I achieve this. Thanks in advance. > >Cheers > >Sammy > > >-----Original Message----- > From: rhn-users-bounces@redhat.com [mailto:rhn-users-bounces@redhat.com] >On Behalf Of Ferguson, Michael >Sent: Tuesday, February 22, 2005 3:01 PM >To: Red Hat Network Users List >Subject: RE: [rhn-users] TFTP Server > >Thanks. I will give it a try. 'preciate it. > >-----Original Message----- > From: rhn-users-bounces@redhat.com [mailto:rhn-users-bounces@redhat.com] >On Behalf Of Strickler Carl >Sent: Tuesday, February 22, 2005 5:10 PM >To: 'Red Hat Network Users List' >Subject: RE: [rhn-users] TFTP Server > > >http://www.linux.com/howtos/Clone-HOWTO/setting-up.shtml > >-----Original Message----- > From: rhn-users-bounces@redhat.com [mailto:rhn-users-bounces@redhat.com] >On Behalf Of Ferguson, Michael >Sent: Tuesday, February 22, 2005 4:06 PM >To: rhn-users@redhat.com >Subject: [rhn-users] TFTP Server > > >G'Day All, > >I did quite a bit of reading on setting up a TFTP server for the benefit >of my CISCO Switches and IP Phones but am now more unsure that before. >Can someone help me to locate docs on setting up the TFTP server >successfully? > >Thanks > >Ferg > > >_______________________________________________ >rhn-users mailing list >rhn-users@redhat.com https://www.redhat.com/mailman/listinfo/rhn-users > >_______________________________________________ >rhn-users mailing list >rhn-users@redhat.com https://www.redhat.com/mailman/listinfo/rhn-users > >_______________________________________________ >rhn-users mailing list >rhn-users@redhat.com >https://www.redhat.com/mailman/listinfo/rhn-users > > > >____________________________________________________________________ >- This email and any files transmitted with it are confidential and > intended solely for the use of the addressee. If you have received > this email in error you may not disclose, copy, distribute or act > upon its contents without the authors prior written consent. Please > can you notify the system manager at postmaster@somak-nairobi.com > immediately and delete this email. >- Any views or opinions expressed are those of the author and do not > necessarily represent those of Somak Travel Limited, Kenya. >- This footnote also confirms that this email message has been swept > for the presence of computer viruses. No responsibility can be > accepted in the event that a virus is contained within it or any > attachments. >- SOMAK TRAVEL LTD - KENYA > NAIROBI, PO BOX 48495. Tel: +(25420) 557832 Fax:+(25420) 535175 > MOMBASA, PO BOX 90738. Tel: +(25441)5486197 Fax:+(25441)5487324 > >____________________________________________________________________ > >_______________________________________________ >rhn-users mailing list >rhn-users@redhat.com >https://www.redhat.com/mailman/listinfo/rhn-users <A target="_blank" HREF="http://clients.rediff.com/signature/track_sig.asp"><IMG SRC="http://ads.rediff.com/RealMedia/ads/adstream_nx.cgi/www.rediffmail.com/inbox.htm@Bottom" BORDER=0 VSPACE=0 HSPACE=0></a>