503 due to content-length error? microwave issue?

Tollef Fog Heen tfheen at varnish-software.com
Mon Nov 15 13:27:30 CET 2010

]] Alan Dixon 

| 1. Adding varnish triggered the problem.
| 2. Changing the MTU solved the problem.
| 3. The system administrators of the ISP had seen a similar
| problem/solution in the past.
| My limited understanding is that varnish's role in the problem was
| just being more demanding ("standards sensitive"), whereas Apache was
| able to handle the bad data better.

It looks like she was hitting timeouts in varnish.

Tollef Fog Heen
Varnish Software
t: +47 21 98 62 64

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