KAHRAMAA ( KM.QA ) site unreachable behind some firewalls

Many companies frequently face issue with the site km.qa -

problem and the solution

Problem

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It’s an issue with TCP compliance with RFC 793 and RFC 1122. Most firewalls not enforcing it by default.

Solution. — — — —

Enforce strict TCP compliance with RFC 793 and RFC 1122 -

Settings may vary depends on the brand and model of the firewall. Sonicwall settings are shown below.

Sonicwall settings

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Please do the setting as below.

Goto Menu

Firewall settings -> Flood Protection

On TCP settings check “Enforce strict TCP compliance with RFC 793 and RFC 1122”

See the pictures below.

Originally published at https://erpgulf.com on March 1, 2021.