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New Member

PIX - ftp sessions hang

Using 4.4(7) code on a pix 515, default fixup statement for ftp, and both NAT and PAT configured. FTP requests for large files hang after a seemingly random amount of time. I reviewed the field notice regarding PTR records in the DNS, but I don't think that this applies in our case. Is there any known fix for this issue?

Thanks,

John Sayer

4 REPLIES
Silver

Re: PIX - ftp sessions hang

I recall struggling with this on the 4.4 code. I think it’s been fixed since 5.x (if you can run that version.

New Member

Re: PIX - ftp sessions hang

Thanks..... I'm hoping to upload 6.1 code onto the firewall in the next week or two. Hopefully that will fix this issue. It does appear to be a connection timeout, as our customer has changed to a high-speed internet connection and is not experiencing the ftp problem at the moment...

New Member

Re: PIX - ftp sessions hang

Hi,

Please share your oppinions here after upgrading to 6.x. I have a pretty similar situation w/ ftp, but

- I use 6.0.1

- PIX 525

- PIX hangs up around 40.000-45.000 concurent ftp connections.

- I have an open TAC case w/ no answer for 2 month now... :-I

Thanx,

Attila Suba

New Member

Re: PIX - ftp sessions hang

We're using the Pix 525s in production, 6.1(1) and see the same issue. We can duplicate the issue just by issueing a LIST command in a directory with numerous files.

The listing hangs at the last file, then about 60 seconds later, a Transfer Complete notification shows up.

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