ZyWALL is the brand name of the product line of hardware firewalls made by ZyXEL.

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ZyWall USG-100 Firewall block access to internal subnet beyond another router

I'm experiencing a strange problem with a ZyWall USG 100 Firewall, that I can't solve with leaving the firewall enabled on the ZyWall. I have the main network subnet that is 192.40.192.0/24(LAN1 on ...
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How will the LAN to LAN firewall rule affect the traffic in the rest of the network

I have a following network setup (of course a bit modified from the real situation) I would like to setup a LAN to LAN rule on the ZyWALL firewall so that only certain ports/ip adresses are allowed ...
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New ZyWALL USG 100 goes unresponsive

I've purchased a brand-new ZyXEL ZyWALL USG 100 for use with setting up a rather large Wi-Fi guest network. Per the User Guide's suggestion, I've been attempting to configure the USG 100 via the ...
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358 views

Mac OSX users on ZyWall USG 50 Network cannot connect to XMPP clients

No XMPP service will work on our ZyXEL ZyWall USG 50. We primarily use HipChat for communication, so when I try to telnet the server and port, I get an error: > telnet chat-main.hipchat.com 5222 ...
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2k views

IPSec VPN using ZyWALL IPSec VPN Client: unable to connect from some providers

I'm trying to configure an IPSec VPN to one company from my home. The company has SANET internet service provider. I was able to create a VPN connection from another company that has the same internet ...
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434 views

Windows Server 2008 Active Directory DNS setup

I have to setup a small windows network inside my bigger linux/mac infrastructure. In order to get the windows clients logging onto the domain, I have had to make the DC their primary DNS server, ...
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5k views

(Zywall USG 300) NAT bypassed when accessing in-house-server From LAN Via domain name

My situations is like this; i host a number of websites from within our joint network solution. On the network is basically 3 categories: the known public, registered via mac, given static dhcp ...
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ZyWall throughput - ZyWall USG 50 vs 100 vs 200

I currently have ZyWall USG 50 running and have disabled all services except the firewall. Although stated on the ZyXel web that the firewall's throughput is 100Mbit/sec I'm unable to get more than ...
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521 views

ZyWALL USG 200 Random crashes

we have an ZyWALL 200 at our work, and for a long time (I'm new here) it's been crashing and restarted once in a while at random moments, mostly during officehours (but not only officehours). The ...