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Problem with SOPHOS having issues with our LC messenger

Good day to all SOPHOS members,

I have an issue and I need your assistance. One of our client's messaging system is having erratic connection issues. When I checked the Firewall I found out from logs that SOPHOS is blocking the traffic, marking it invalid. There were no alrams like internet disconnection from our SOPHOS Firewall. Can anyone give me any idea what is happening. From the logs the invalid traffic is placed under Firewall ID 0, which means SOPHOS cannot identify the said traffic based on my research. Please check below for some screenshots.

Here are our ISP there are no alarms.

Here is our bandwidth monitor, no connection outage recorded.

But when i checked the logs there wre traffic being blocked by SOPHOS firewall.

Please take note I am using SOPHOS XG310. Firmware SFOS v17.5.0 GA.

Thanks

rodneyaltam

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0 rfcat_vk over 6 years ago

Hi Rodney,

the rule 0 traffic can be ignored and disabled if you so desire. I suggest you upgrade to at least MR-3.

Which rule is actually dropping the traffic, ignoring rule 0?

You need to review the logviewer firewall, application and web tabs to get a good picture of activities and failure reasons. Is messaging system using a business rule? Does it originate all connections?

Ian
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0 LuCar Toni over 6 years ago in reply to rfcat_vk

Most likely you can even disable this Invalid Traffic Rule.

https://community.sophos.com/kb/en-us/131754
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0 Rodney Altamera over 6 years ago in reply to LuCar Toni

Hi LuCar Toni,

Thanks for sharing this post. But my problem is not disabling these invalid traffic rule, my problem how to allow the blocked packet since our Livechat messaging systems is sometimes working then sometimes not working. When a disconnection occurs I try to check and find out that the packet was blocked by Sophos.

Thanks

rodneyaltam
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0 LuCar Toni over 6 years ago in reply to Rodney Altamera

Just wanted to give you a hint in the correct direction.

Most likely the Invalid Traffic is not your Issue and not even a symptom of your Issue.

You should dig into the Logs if this issue occurs. Maybe you will see something in the drop packet capture Log of Xg.
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0 Rodney Altamera over 6 years ago in reply to LuCar Toni

Hi LuCar Toni,

This is noted. Thanks for the info. I'll try to dig deeper. I am just a little confused as to what is causing this disconnection.

Cheers.

rodneyaltam
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0 Rodney Altamera over 6 years ago in reply to LuCar Toni

Hi LuCar Toni,

This is noted. Thanks for the info. I'll try to dig deeper. I am just a little confused as to what is causing this disconnection.

Cheers.

rodneyaltam
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