The gateway tag has no wiki summary.
0
votes
2answers
45 views
Machine as gateway between a router and local devices
I have a machine that I want to use as a gateway between the router.
For example:
Several machines on the network wants to access www.google.com lets say
Send their requests to me
I send them to my ...
0
votes
2answers
31 views
advice on gateway address
I am wondering if a node on a subnet should have its default gateway set to the IP of the router or should it be the IP address of the switch?
In Packet Tracer, I am using the router's address as the ...
0
votes
1answer
69 views
Bypassing SQUID on freebsd with PF
I have PF+SQUID31 on FREEBSD-9.0, and I want to have some hosts(aka goodguys) to bypass the proxy, so that torrents are not logged.
Also, I am not sure about transparent. It means that I dont have to ...
0
votes
1answer
167 views
Centos 6.2 Fresh 'Basic Server' install networking issues
I've had a /29 provisioned on a network port for a server and am trying to at least configure the machine so I can ssh into it. It's Centos 6.2 x64 with the Basic Server install. Currently not able to ...
0
votes
2answers
43 views
Routing table gateway
I have a VPS (CentOS 5.6). Here is my routing table.
Kernel IP routing table
Destination | Gateway | Genmask | Flags | Metric | Ref | Use Iface
192.x.x.0 | 0.0.0.0 | 255.255.255.0 | U | ...
1
vote
1answer
53 views
How to change default gateway on XP VPN connection?
When I connect to an XP VPN the default gateway for the connection is the IP address of the VPN server machine.
I think this is the reason I cannot connect to the internet via the VPN.
How do I ...
1
vote
1answer
94 views
Network Gateway Options for Small Office: Cisco 800 series router vs. Linux/*BSD (e.g. pfSense) on a white box vs. reflashed DD-WRT/Tomato/OpenWRT
Our existing network gateway's hardware has just failed (it was a repurposed desktop machine running Debian + Shorewall that we threw together), and we're looking to replace it. For now, we've fallen ...
0
votes
0answers
268 views
pfSense - OpenVPN - tap - client connection: Default Gateway Error
We have setup a OpenVPN Server on a pfSense v2.0.1 Router with the "OpenVPN tap Bridging Fix package" to build a bridged VPN network. We followed this HOWTO: link
Nearly everything workes fine expect ...
-4
votes
3answers
183 views
How to configure PC as a gateway?
I'm researching a project. If lets say a lab has 20 PC,
1 tutor PC and the rest is 19 student pc,
and in my project all the network traffic from student pc should go through the tutor pc before ...
1
vote
1answer
74 views
Forward Request to Multiple Servers
We have 2 servers. One is old server and another is the new one. Currently we about doing a migration because the old server is not capable enough to handle everyday requests.
The specs are:
Old ...
0
votes
1answer
148 views
Connecting a LAN to an OpenVPN server via a windows 7 client gateway
I've got OpenVPN set up between my windows 7 client and linux server. The goal is that I'll get secure access to a webapp running on the server from any computer on the client LAN.
I'm using ccd to ...
0
votes
0answers
58 views
Per-host default gateways for a subset of a subnet
I'm at a large University. I have switches, but routers are controlled by campus. They provision VLANs for us. We have 3 class Cs and a number of /24 private networks. Each network has a default ...
0
votes
2answers
137 views
iptables as gateway and POP3 SMTP ports
when trying to open the ports 110 and 25 in my iptables for outlook-only users, i cant do it except by forwarding as such:
-I FORWARD -i eth0 -s 192.168.1.0/24 -j ACCEPT
-I FORWARD -i eth1 -d ...
0
votes
1answer
83 views
Connectivity restored with `ping`?
My server is operating properly.
Something happens...
Suddenly, my server is inaccesible via ssh and http. (The only open ports in the firewall.)
All eth0 configuration is static, no DHCP.
...
2
votes
1answer
106 views
iptables gateway not working on clients
I am not sure what's going on, but I have setup a gateway debian box with iptables and dhcpd server. The server is handing out the ip addresses to the clients just fine, gateway being set to the ...
-1
votes
1answer
281 views
CentOS gateway setting on startup
I'm running CentOS 6.2 on ESXi 5. The machine has 2 NICs, eth0 is connected to the Internet and eth1 to a LAN. eth0 has a single colo provided IP address, so the netmask is 255.255.255.255. The ...
0
votes
3answers
196 views
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 ...
3
votes
1answer
250 views
How can I use iptables to forward all traffic to a certain website?
I have a Radius server doing Mac Auth on VLANs. If the MAC address isn't in the allowed table, the user is put into a separate VLAN. What I want to do on that separate VLAN, is have my Debian server ...
0
votes
2answers
160 views
Multiple VPN connections at the same time
I am investigating how to set up an SMS gateway that forwards messages to different mobile network operators. Connections to the operators are typically made via VPN. My question is how to configure ...
3
votes
1answer
72 views
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 ...
0
votes
2answers
75 views
Routing traffic so that it appears to originate from a single (static) IP address
We have three sets of computers: clients, a single proxy and multiple servers.
The clients (many) want to connect to the servers (many) using TCP on a specific and consistent port. Currently they do ...
0
votes
1answer
205 views
How do I increase FastCGI read timeout to prevent 504 error on nginx?
I am running a file with considerable amount of coding. It takes approximately 55 seconds to process 500 users, but now I have to process 1000 users. The default timeout is 60 seconds, so I have to ...
0
votes
0answers
56 views
KVM network problems
I use ConVirt as virtualization platform. pbr1 works as gateway. When I try to ping any IP from the VM, it says, that destination host is unreachable. When I try to ping the gateway, it does. Packets ...
0
votes
0answers
32 views
Software solution for internet bandwidth scheduling on local network [closed]
I'm looking for a small footprint software gateway solution. Something like http://m0n0.ch/wall/, but with bandwidth scheduling. e.g: Being able to set different bandwidth limits per hour. Also, using ...
1
vote
2answers
121 views
Selecting gateway on application level on Linux
I want to decide on application level which gateway to use to connect to the internet.
It can't be done by simple subnet rules, because it is really the application which should be able to decide ...
-4
votes
2answers
106 views
Getting IP addresses through sniffing [closed]
Is it possible to know the gateway address of a wireless AP that I'm not connected to through sniffing? Airodump-ng can show MAC addresses of the AP and the clients associated but doesn't show IP ...
-1
votes
2answers
395 views
Why do I get HTTP Error 504: Gateway Timeout on accessing public IP over Android
Question:
When I start a webserver on my machine (on port 80), and then try to access it via my public IP, I get HTTP error 504 (Gateway Timeout).
Why ?
This only happens when I am connected to the ...
2
votes
1answer
110 views
setting up 2 subnets, Windows Clients (30 nodes), Linux Server, Samba, FOG
Its my first post on serverfault and my first time to setup this kind of network, so my apologies in advance if it is not well formed.
I'm planning a small (education center) network that has about ...
0
votes
1answer
158 views
How do I get VirtualBox to use my Windows 7 host machine as a gateway? [closed]
I can't seem to find the answer to this. I have a Windows 7 (64bit) machine that is a company laptop. Company policy is very strict about adding machines to the network. I need to run a Linux ...
2
votes
3answers
48 views
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 ...
2
votes
3answers
175 views
Monitor bandwidth usage of a datacenter
I would like to know what application is best for measuring bandwidth usage in large datacenters.
Our company is in the process of setting up a DC which will have around 1000 physical servers. We ...
0
votes
2answers
63 views
Linux or Windows Server as Gateway/Firewall [closed]
In my house, i'm running a server I use for testing purposes, and I'm planning on throwing away my knackered router, and making the server my Gateway to the internet and using it as a server for ...
2
votes
1answer
126 views
Passing client MAC addresses to DHCP server over VPN
I'm tasked with implementing VPN access on a gateway. The LAN DHCP server is configured to assign the same IP address to a given MAC address. I would like to have this functionality for clients who ...
0
votes
2answers
90 views
Linux as a router for public networks
My ISP had given me a /30 network. Later, when I wanted more public ips, I requested for a /29 network. I was told to keep using my earlier /30 network on the interface which is facing ISP, and the ...
0
votes
1answer
78 views
Setup dhcpd without gateway on purpose
I have an XP machine with two network interfaces. One is connected to my company's network (and the Internet). The other is a very local network which connects some hardware with my PC. Both the ...
6
votes
4answers
168 views
Is it possible to find out what gateway is available on a network without prior knowledge?
A colleague and I both presumed this was a clear "no" but, admittedly, our networking knowledge is limited.
Is it even possible that, without prior knowledge of the network configuration (i.e., no ...
1
vote
2answers
225 views
How can I share my internet connection to my LAN with Debian?
I'm trying to make my Debian server the router for my LAN.
I got two interfaces: eth0 connects to internet through PPPoE, eth1 to LAN.
I switched on forwarding in sysctl net.ipv4.ip_forward=1 and ...
0
votes
1answer
479 views
How to make LAN PCs (Windows) accessible from a SonicWALL L2TP VPN connection
We have several LAN devices connected via a physical wired network to a SonicWALL TZ210 on subnet 192.168.2.0/24. Several of those devices are assigned DHCP addresses in the range 192.168.2.100 to ...
4
votes
7answers
259 views
multiple internet connection at office
We have been using two separate Internet connections in our office. People will share internet connection by setting their gateways to either of these. Gateway is one of our local server through ...
1
vote
2answers
267 views
Checkpoint R75 Security Gateway without default route
I've set up a virtual lab network in vmware with two networks. vmnet2 (192.168.100.0/24) and vmnet3 (192.168.200.0/24).
My R75 is having the ip addresses 192.168.100.1 and 192.168.200.1, and is the ...
0
votes
0answers
250 views
RD Gateway windows 2008 R2 has slow access
The situation is as follow:
I have five Windows Server 2008 R2 Servers running Remote Desktop services (terminal server). The servers are Load Balancing with DNS round Robin.
For external login I’m ...
0
votes
1answer
128 views
Traceroute doesn't reach gateway
i have problem with my opensuse 11.3 network. So, i've assigned ip 192.168.137.2 to it, and another computer (win7) with ip 192.168.137.1
On the opensuse, the gateway is the 192.168.137.1. and the ...
0
votes
2answers
98 views
webserver from local network (behind NAT)
I have a debian server (gateway, web) which is behind ISP's NAT. I need access on webserver from my local network but domain has DNS record for external IP. Can I create "fake dns" for my local ...
3
votes
2answers
328 views
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 ...
1
vote
1answer
182 views
machines of two subnets communicate through CentOS(with two NICs)
folks.
Firstly, I really have done a lot of searching, but still couldn't find a problem which was exactly the same as mine, and I have tried some of their answers, but didn't work. Finally, I put my ...
0
votes
3answers
360 views
Ubuntu 10.04: Two interfaces on a same subnet with a same gateway
My ISP has given me a 187.x.x.224/29 subnet. The gateway is 187.x.x.225 I have a Ubuntu server with 6 ethernet ports. The server does NAT routing and also acts as a webserver. My plan is to have eth1 ...
0
votes
1answer
63 views
Which brands of wireless routers and DSL modems care about security? [closed]
Which vendors have established a strong security process during development where they educate firmware developers about security issues, arrange security engineers to review the code, accept ...
1
vote
4answers
252 views
How to setup a small office network with a VPN client and a shared Internet gateway
I manage a small-office network but have very little actual networking knowledge / understanding.
The network has a consumer grade wifi router (Netgear DG834G), several PCs/Macs, some iPads connected ...
1
vote
2answers
234 views
Port Forwarding not working locally
I have a new Comcast Business Gateway that just replaced my old, perfectly-functional residential modem. I noticed the router I had only had a 10/100 ethernet WAN port but I have a 100mbit connection, ...
0
votes
1answer
44 views
Servers cannot see internet gateway though their configuration is the same to another which can
I have 2 switches at the Data Centre - one is connected to the internet, and one for the internal private network.
All servers have one NIC into the internet switch and one to the private one. All ...
