Questions tagged [sophos]

For questions about network security products by Sophos. Sophos develops products for communication endpoint, encryption, network security, email security, mobile security and unified threat management.

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IPv6 subnets without delegated prefix

I have received an IPv6 network from my provider, say it's 2001:db8:1::/48. I did not get delegated prefix from them. I would like to use the IPv6 addresses on different networks behind a firewall (...
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  • 111
2 votes
2 answers
325 views

Site-to-Site VPN with Sophos XG using tunnel interface

So I have configured a Sophos XG site-to-site vpn according to this document: https://docs.sophos.com/nsg/sophos-firewall/18.0/Help/en-us/webhelp/onlinehelp/nsg/sfos/learningContent/...
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0 votes
2 answers
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Adding Second Interface with Different Public IP for Same Internet Connection

We have a situation that I'm not sure how to proceed correctly. This location is currently utilizing two different firewalls - a Sophos XG 310 and a Sonicwall NSA 3500. The way this was originally ...
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4 votes
2 answers
612 views

MTU/MSS Oddness?

We have an IKEv2 IPSec tunnel between two Sophos XG Firewall appliances in a corporate system for a remote site. We don't have any specialized MSS or MTU settings other than what the IPSec tunnel ...
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0 votes
0 answers
614 views

Tweaking Sophos Firewall SSL VPN config for high Throughput and low Latency

Sophos Firewall XG when connected to OpenVPN 2.3.8 (i686-w64-mingw32 [SSL (OpenSSL)] [LZO] [IPv6] built on Jul 3 2017) client dev tun proto tcp verify-x509-name "OU=Domain Control Validated, CN=*....
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0 votes
2 answers
162 views

Sophos issue with twitimg

We're using virtual sophos utm for our hospitality company, as a guest network firewall. Some users reported that they are not able to use twitter when connected our wi-fi network. Investigated that ...
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1 vote
3 answers
874 views

Firewall with multiple interfaces

I wan going through few firewall setup tutorial and everywhere they set an external interface, facing the internet and internal interface, accepting traffic from the internal subnets. I can't figure ...
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  • 113
1 vote
1 answer
2k views

Error in VPN site-to-site connection between Cisco Router C3925 and Firewall Sophos XG210

We could not setup the VPN connection between Router C3925 and Firewall Sophos XG210. Attached files are the logs on both 2 devices. Please revise and suggest, many thanks! Public IP address of ...
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