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jtfinley
Contributor

Created on ‎07-06-2011 08:33 AM

Ping out no DNS out?

Ive seen this issue a couple times, where users behind a Fortigate can ping, but suddenly cannot surf web as if DNS is not resolving. I know DNS is fine, and the Fortigate is reachable remotely. Once the Fortigate is recycled, browsing is fine. I' m assuming it' s a proxy problem, any ideas?
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jtfinley
Contributor
In response to

Created on ‎07-13-2011 01:44 PM

Same issues with FG 60 models. If I uncheck " protection profiles" under the policy that allows users out to the internet, users will be able to surf. I do not want to " Uncheck Protection Profiles" so I resboot and all works for a day or 2 and then Internet breaks again.
Do you have any AV or IPS blocking if something is triggered? I had something like this. In my case, there are no IPS settings in my policy that are enabled.
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Not applicable

Created on ‎07-19-2011 11:58 AM

None that I can see, it has happened on different FG firewalls at different times. Users cant access internet, reboot firewall fixes issue for a couple of weeks and it happens again.
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jtfinley
Contributor
In response to

Created on ‎07-22-2011 09:42 AM

None that I can see, it has happened on different FG firewalls at different times. Users cant access internet, reboot firewall fixes issue for a couple of weeks and it happens again.
Ive had this happen on two Fortigates of different models, and it' s consistent to the same environment meaning, I only have this issue at two places not all over.
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Created on ‎07-22-2011 10:55 AM

It is becoming ridiculous and I am surprised Fortinet has no fix out for that.
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jtfinley
Contributor
In response to

Created on ‎07-26-2011 03:29 PM

Following up on this one. We' ve had (2) instances where a Fortigate WIFI 30 & 80c would literally go offline. The INTERNAL interface is not pingable nor the WAN, however, connected to the console, I can ping various hosts on the Internet, but not internally. I set my ping-option sourced from internal IP and executing a ping from Fortigate fails. This one has me stumped. Nothing has changed in the configs for weeks. Both were running MR3
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jtfinley
Contributor
In response to jtfinley

Created on ‎08-03-2011 08:06 AM

Another follow up here. Previously stated there were (2) instances happening, I have eliminated one. It turned out to be an issue with the managed ISP filtering inbound somehow. The other item, we downgraded/firmware flash to MR2p8. No issues since. --Joe
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