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Questions tagged [gateway]

A gateway is a network node used in telecommunications that connects two networks with different transmission protocols together.

A gateway is a network node used in telecommunications that connects two networks with different transmission protocols together.

or

A gateway computer that sits between different networks or applications. The gateway converts information, data or other communications from one protocol or format to another.

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Exchange 2003 - how to route ALL mail (including internal) via an external SMTP gateway? (Or, domain/mail server migration for the masses.)

Short version: Is there a way to have Exchange route all email, including internal AD users that would normally be routed directly, through an external gateway? (SMTP, probably a "Smart Host" in exchange nomenclature.) Longer version: I'm not an…
Orangutech
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NAT with multiple gateways

I have the following setup: My Lan is 10.56.8.0/23 I have a gateway with internet access(INETIP-A) and the LAN IP 10.56.9.1 I have another gateway with internet access(INETIP-B) and the LAN IP 10.56.9.15 I have a PC used as default gateway for…
Savaj
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Preventing endless forwarding with two routers

The network in quesiton looks basically like this: /----Inet1 / H1---[111.0/24]---GW1---[99.0/24] \----GW2-----Inet2 Device explaination H1: Host with IP 192.168.111.47…
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What can I do if my organization is running out of IP addresses?

My organization is going to run out of local network IP addresses within the next few months. We are expanding to get a ton of new people and we are switching over to Lync IP phones. Crunching through the numbers, we have about 253 addresses on…
poconnor
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Our datacentre is forcing us to change IP addresses, what is the best way to take advantage of the period when they're both active (failover gateway)?

The subnet of IPs the datacentre gave us was apparently on loan, so they assigned us a new block and gave us two weeks to swap them over, during which both will be active. They're on totally different networks and subsequently have different…
Nick Devereaux
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Accessing the servers via their WAN IPs from the internal network - connect them to LAN too?

Currently we have a few servers behind a router/gateway, which is in bridge mode, so the servers have directly assigned WAN IPs with no NATting performed. This works as expected. There is, however a separate office computer network behind a separate…
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how to add iptables rules for two NICs on CentOS(act as a gateway)

I have a machine C with two NICs, namely eth0 and eth1, with CentOS 4.9 installed on it. Also I have a machine A connecting to C through eth0 and a machine B connecting to C through eth1. Now I want machine A to be in a subnet (e.g. 192.168.3.0/24)…
machinarium
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Rackspace Firewall/Gateway Setup

I have rackspace account and wish to have this sort of setup: Firewall/Gateway eth0 - Public IP (56.X.X.X) eth1 - Private IP (10.X.X.X) Ubuntu 10.10. Accepts connections from the internet and routes port 80 to node1 (10.x.x.x) node1 eth0 - Disabled…
ehftwelve
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Multiple Gateway improve performance

I have a proxy Server and a PBX server that both have their own router as a gateway. Nevertheless, the company acquired an additional more stable ISP and now I have three Internet connections. Is there a way I can configure the proxy to use both at…
Necronet
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How do I set up a gateway through linux?

I want to create a linux gateway proxy for my wireless router. I have a modem connected to a non-wireless router connected to a wireless router set up as an access point. I want to put the linux server between the non-wireless router and the…
Free Bullets
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How much does a IPtables router slow down a connection?

I would like to know if introducing a new gateway in my network will slow things down. The question may sound unclear but here is an illustration: Before Installing gateway server Main Router <=> switches <=> servers after installing gateway…
RayQuang
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What is a SIP 'Gateway' and how is different from a SIP Proxy/Registrar?

Recently I started looking at SIP implementation for a future work. I was reading (Googling) about what SIP means and how to go about implementing a end-to-end SIP enabled VoIP network. What I did not get is what use does a SIP Gateway is for? How…
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Internal+external interfaces with multiple default gateways on Win2003

I'm trying to set up several web servers for a load balanced cluster and need to have each server connected to the internal network (for load balancing) as well as to an external network (Internet - for administration). I have two NICs, but since I…
Ariel
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SMS gateway with a "from" parameter

I am programming a mobile app which send sms. I need a gateway that let me put a "from" parameter. On many gateways, I can only subscribe, put my mobile phone number as the sender after a verification process. The main problem is that the phone…
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How to configure wireguard to forward client IP address (with gateway)?

I am trying to configure wireguard to work as a VPN server. The main problem is, that the gateway only forwards the VPN server ip to other server, not my client IP. My setup is the following: -…
Daniel
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