I have set up a firewall system with several aliased interfaces and Ip:s. All the virtual interaces are portforwarded into a dmz where my webservers reside. Some of my web servers also provide ftp services and this is handled by doing portforwarding on the virtual interface and translate the trafic between the origin and the host.
Everything works fine. Except som strange effects in the ftp trafic. My clints can connect but when they do trafic (ls) on the data- channel (20) the transfer seems to get stuck. When Ive analyzed the trfaic with tcpdump it seems that the client get confused by the outgoing communication coming from the original interface of the firewall. My question. Has anybody successfully managed to portforward ftp trafic on a aliased interface?? If so plzzzz tell me how. Best regards Johan ********************************************************** Johan Hagstr�m Data Ingenj�r / KTH Direkt: 0498 - 202732 [EMAIL PROTECTED] V�xel: 0498 - 202700 Fax: 0498 - 214640 Intron Service AB http://www.gotlandica.com "Security is not a solution. It is a way of life." **********************************************************
