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Step-by-Step Configuration and Troubleshooting Best Practices for the NGFW, NGIPS and AMP Technologies A Visual Guide to the Cisco Firepower Threat Defense (FTD)
Community Member

File download issue through ASA

Hi,

We have ASA 5540 with 8.2 SW. We are trying to download a file (3 MB pdf)  from https session which fails if done behind the firewall. In case, the client bypasses firewall, the file gets downloaded as usuall. Interesting thing here to note is that when client is behind the firewall, its takes a long time to download the file and the file size always 312 Bytes, of course its a corrupt file.

We have chaged the MSS setting but did not help.

Did anybody face such problem before?

Thanks

Saif

3 REPLIES

File download issue through ASA

Hello Saifuddin,

Do you have any logs regarding this particular case, that will let us know whats going on.

Regards,

Julio

Julio Carvajal
Senior Network Security and Core Specialist
CCIE #42930, 2xCCNP, JNCIP-SEC
Community Member

File download issue through ASA

Julio,

We are collecting logs on syslog server but the amount of logs is large that its extremely difficult to trace this particular session from syslog.

File download issue through ASA

Hello,

I would like too see the logs at the time you are facing the issue, when the download its slow.

Is it possible that you could provide your ASA configuration,

Are you using a CSC-SSM or AIP-SSM?

Regards,

Julio.

Julio Carvajal
Senior Network Security and Core Specialist
CCIE #42930, 2xCCNP, JNCIP-SEC
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