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What does "packet dropped, application error" mean?

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Article ID: KB4872 KB Last Updated: 18 Aug 2010Version: 3.0
Summary:
What does "packet dropped, application error" mean?
Symptoms:
ALG debug flow basic application error
Solution:

If' a' "debug flow basic" output is as follows:

ipid = 5330(14d2), @d780b910
packet passed sanity check.
ethernet1:1:10.101.10.106/4356->5.5.5.5/80,6<Root>
existing session found. sess token 2>
flow got session.
flow session id 59494
vsd 1 is active
packet dropped, application error

"packet dropped, application error" means the packet is being dropped' because the ALG could not determine how to handle this packet due to the way the application was written.

To determine why this occurs, run a debug on the alg in question

In order to prevent the packet from being dropped, change the policy to:

set policy id' [policy#] application "IGNORE"


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