This problem has been drving me crazy for 2 weeks:� My firewall / NAT�


was working no problem for weeks, then I noticed ftp'ing wasn't working


- I thought I had a -problem so I upgraded to RedHat 5.2 (I didn't know


about the ftp module at this point) and then my connection would die


after a couple minutes with repeated 'ip_masq_new(proto:tcp) - no free


ports' errors over and over whenever a packet was requested.� I thought


maybe it was the new kernel so I went back to RedHat 5.1 and it sttill


happens! arghh -� I am going nuts.�� My setup for ipfwadm is correct, it


is the same as I use at work, and all the ip addresses are correct.� I


have a 3com 905btx 10/100 and an SMC 10/100 Etherpower Tulip-based NIC


doing the masqing.� On the network I have another 3com 10/100 and a


Realtec 10/100. I am conencting to a cable provider.� One thing that is


a little unique about my setup is that I have an IP mask of


255.255.252.0 on the external interface.� That is what I require to


connect to my provider, I don't know if that has anything to do with my


problems.� The connection works fine at first and then just dies.�


Please help, this is making me lose sleep ;)


�


�


�


-Jeff Rankine






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