Internal host detection not Working
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Internal host detection not Working

L3 Networker

I have an external Gateway and I wish to setup always-on except when on local LAN. As a test i am doing this on my own username but it seems to always want to connect to external GW regardless of my settings.


I have turned on Internal Host detection and this is returning "0" in the PanGPS logs so i would assume then it would realise i was internal and not try and connect me to external gateway?


Connection type is currently - prelogon always on


(T1848) 09/24/18 11:16:36:219 Debug(1712): host TEST 
(T1848) 09/24/18 11:16:36:230 Debug(1729): DnsQuery returns 0
(T1848) 09/24/18 11:16:36:230 Debug(1744): Resolved X.X.X.X.IN-ADDR.ARPA for internal host detection with return value 0
(T1848) 09/24/18 11:16:36:230 Debug(1768): The host name is TEST.DOMAIN.local
(T1848) 09/24/18 11:16:36:230 Debug(4040): NetworkDiscoverThread: network type is external.
(T1848) 09/24/18 11:16:36:230 Debug(4109): NetworkDiscoverThread: Discover external network


Cyber Elite
Cyber Elite


As I'm reading your logs it's actually not able to resolve the DNS name that you are using. Attempt to test this with just an IP, preferrably a load-balanced VIP if you can, and see if it works. 


Are you able to do a DNS (reverse)lookup for the IP that you configured and do you then get exactly the name that is configured?

Isn’t dnsquery = 0 meaning that it’s successfully resolved?

DMs lookup brings the whole fqdn- test.domain.local

I have just ‘test’ set as the name for internal host detection, but it’s returning dnsquery = 0 which means it has resolved ok?

Normally 0 means false while 1 equals true. So if you set the host also to test.domain.local the internal host detection should work and the client will not connect from internal.

not for this.


0 = succesful

9003 = not succesful

9852 = no dns servers configured


I just tried this from home, where im obviously off-LAN, and i get this:


(T10216) 09/24/18 19:18:04:105 Debug(1729): DnsQuery returns 9003
(T10216) 09/24/18 19:18:04:105 Debug(1744): Resolved x.x.x.x.IN-ADDR.ARPA for internal host detection with return value 9003
(T10216) 09/24/18 19:18:04:105 Debug(4040): NetworkDiscoverThread: network type is external.
(T10216) 09/24/18 19:18:04:105 Debug(4109): NetworkDiscoverThread: Discover external network.

Good to know ... 

L0 Member



Did you make any progress on this? I am going thru the exact same challenge. Should work but it does not. The only thing I have not tried yet is switching from On-Demand to User-Logon.




You must use Always-on when implementing internal host detection.

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