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Ubuntu update problem running through ASA 5520

John Farley
Level 1
Level 1

All of our Ubuntu servers get a size mismatch error about half way through it's "get" phase of updating.  I ran the update through our DMZ and it works perfectly.  Our ASA has Trend Micro Interscan, which I believed was the problem.  I have gone through and disabled all CSC modules until web scanning is completely disabled, and I still get the "size mismatch" error.

What else on the ASA could cause this?  I know there are a lot of reasons to get “size mismatch” errors, but it works through the DMZ – any ideas of where I should look?

Thanks!

1 Reply 1

John Farley
Level 1
Level 1

FYI, I have narrowed it down to http inspection.  As a work-around, I changed the Ubuntu repositories to use ftp and it is now working. 

I still need to find where it is blocking the http download – any suggestions?

Thanks!

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