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22
votes
11answers
11k views

Is anyone else using OpenBSD as a router in the enterprise? What hardware are you running it on? [closed]

We have an OpenBSD router at each of our locations, currently running on generic "homebrew" PC hardware in a 4U server case. Due to reliability concerns and space considerations we're looking at ...
14
votes
7answers
58k views

Nginx + php-fpm “504 Gateway Time-out” error with almost zero load (on a test-server)

After debugging for 6-hours - I am giving this up :| We have a nginx+php-fpm+mysql in LAN with almost 100 wordpress (created and used by different designers/developers all working on test wordpres ...
14
votes
7answers
29k views

Windows 7, network connection with no default gateway: any way to change the “Unknown network” status?

I have a computer running Windows 7 Pro RTM. This computer has two network connections: A Wi-fi connection to the Internet (through a home router) which works just fine. An OpenVPN virtual network ...
10
votes
5answers
10k views

OpenVPN make redirect-gateway optional

I'm currently running an OpenVPN server for multiple clients. All traffic is directed through the VPN (it's set up as gateway; push "redirect-gateway def1"). So far, all is working fine. However, ...
8
votes
6answers
5k views

How do i get the default gateway in LINUX given the destination?

I'm trying to get the default gateway, using the destination 0.0.0.0 i used this command: netstat -rn | grep 0.0.0.0 and it returns this list: Destination - Gateway - Genmask - Flags - ...
7
votes
7answers
3k views

How do you manage your Linux iptables configuration on a machine acting as a router?

I have a couple Linux machines that act as routers/firewalls for my networks and I have a script that runs all the iptables commands to set my rules. This seems to me like a really silly way to do it ...
7
votes
6answers
9k views

What's the difference between a gateway and a router?

Here we can see the router is 67.23.27.187(first hop), but the gateway is 67.23.27.1. What's the difference between a gateway and a router? How does my computer know the IP of the router when only the ...
7
votes
5answers
1k views

Skype-SIP gateway

Does anyone know if you can setup a Skype-to-SIP gateway on your network? I tried Uplink, which works wonders, but only on Windows and with Skype on the same machine... It would be awesome if you ...
6
votes
8answers
12k views

How to find the gateway IP address in Linux

What command can you use to find the Gateway IP Address (ie. home router address) for eth0 in Linux? I need to get the IP address from a command line app to use in a shell script.
6
votes
4answers
822 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 ...
5
votes
1answer
1k views

Utilize two gateways on the same network same interface with load balancing

My setup is two ISPs on a single interface and single network. I can either set my default gateway to 192.168.0.1 or 192.168.1.250 and either work. Edit: Netmask (as noticed in the comment) is ...
4
votes
7answers
646 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 ...
4
votes
2answers
3k views

IPv6 can I use a link local address as my default Gateway?

can I set the default GW to be the Link Local address of the next hop router. I understand this is a strange thing to do, I'm mostly wondering it is possible?
4
votes
4answers
1k views

transparent git-svn gateway

Currently we have an subversion repository with the following layout: /trunc /group1 /proj1 /proj2 group2 /proj3 /etc.. /tags /group1 /proj1 /proj2 group2 /proj3 /etc.. /branch ...
4
votes
1answer
450 views

Can Remote Desktop Gateway be run from a standalone server?

I have a standalone (non-domain) Windows Server 2008 R2 that I need to securely access using RDP from the public internet. I want to access it using the standard 443 SSL port, since other ports are ...
4
votes
1answer
3k views

htaccess redirect all to one file (except from localhost)

I want to redirect all traffic to a single .php gateway file, this file will do authentication and use ajax to pull the file that was requested. So I need a .htaccess with flow like this: if ...
4
votes
3answers
2k views

two gateways / two providers with different ips

I want to route packets coming in on eth0 back over eth0 and the ones coming in to eth1 back over eth1. I don't care which gateway is used for outgoing connections. If i just enter two gateways in ...
4
votes
2answers
218 views

2 nics. 2 Defaults Gateways

Here is my scenario: i have this server with 2 nics, each one with different IPs, connected to differents routers. Almost everything is configured whe way i need. Traffic coming from eth0 exits ...
4
votes
3answers
307 views

OpenBSD default gateway outside subnet

My ISP offers IPv6 by default. However, my ISPs IPv6 setup appears to be a bit strange because the default IPv6 gateway is located outside of my servers subnet. Under linux it is possible to setup a ...
4
votes
1answer
330 views

ping request not forwarded in one direction

Edit: I solved my issue just as I was finishing this insanely long post. I had simply not enable ping reply in my windows firewall which is why I could not ping a computer on network 0 from network 1 ...
4
votes
2answers
3k views

OpenVPN connection works but no gateway is assigned

i try to setup openvpn on a vps and I'm able to establish a connection to the server, but the gateway isn't assigned to the client. Here are my config files: client config: client dev tun proto ...
3
votes
4answers
590 views

Stress test speed on a gateway?

I'm interested in stress testing my gateway server but am lost on how. Most of the stress testing applications I've seen only see how much load an app like Apache can handle, but not this. ...
3
votes
8answers
3k views

Can anyone suggest best SSL VPN Gateway (Clientless 10 users) [closed]

Can anyone suggest best SSL VPN Gateway (Clientless 10 users)
3
votes
3answers
1k views

Mysterious “fragmentation required” rejections from gateway VM

I've been troubleshooting a severe WAN speed issue. I fixed it, but for the benefit of others: Via WireShark, logging, and simplifying the config I narrowed it down to some strange behaviour from a ...
3
votes
1answer
66 views

DNS settings on managed switches in LAN

We have a Windows 2008 server that is connected to a managed switch with about 15 Cat5e connections and three fiber branches that go to different parts of campus. At each of these parts there is ...
3
votes
2answers
157 views

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 ...
3
votes
1answer
7k 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 ...
3
votes
1answer
2k views

What is the purpose of netcat's “-w timeout” option when ssh tunneling?

I am in the exact same situation as the person who posted another question, I am trying to tunnel ssh connections through a gateway server instead of having to ssh into the gateway and manually ssh ...
3
votes
1answer
421 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 ...
3
votes
2answers
897 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 ...
3
votes
1answer
40 views

Routing on Bonded VLANs

I've got a linux d/b server (OEL 6.4 but effectively Redhat 6 I believe) with bonded nics connecting to juniper switches. I've split the bond up into multiple vlans (bond0.11, ... bond0.18) with IP ...
3
votes
1answer
492 views

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 ...
3
votes
1answer
93 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 ...
3
votes
1answer
687 views

Have you successfully installed Active Directory Management Gateway Service on 2008?

I've got a pair of 2008 DCs onto which I've been trying to install the Active Directory Management Gateway Service. (I only wanted it on one but when that didn't work I tried another.) Both are ...
3
votes
0answers
472 views

IPv6 default gateway route disappear after reboot

I'm using Debian Wheezy on a dedicated server which uses IPv4 and IPv6 at the same time. ifconfig eth0 eth0 Link encap:Ethernet HWaddr 11:11:11:11:11:11 inet adr:90.0.0.1 ...
3
votes
1answer
255 views

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 - ...
2
votes
2answers
9k views

Routing decision when there are two default gateways on windows

My windows machine has two network cards, both have default gateways. How does windows determine which gateway should it access when sending a packet to a remote endpoint? More precisely, here's my ...
2
votes
2answers
217 views

Default route not on LAN

I have a network that in principle looks like this: H1---\ /----Inet1 H2---->---GW1---< H3---/ \----GW2-----Inet2 H1 and H2 = Hosts that need access to internet with GW1 ...
2
votes
2answers
438 views

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 ...
2
votes
3answers
6k views

Does Default Gateway IP = Router IP?

Basically I am trying to automate logging into the routers setup config page, and if I can get the default gateway ip I want to be sure that I will be able to use that ip to login to the routers ...
2
votes
6answers
5k views

How to force IE to choose a network card in Windows?

I have 2 network cards each connecting to a different network. For some web sites I need to force IE to use a particular one. How could this be done? P.s. This is NOT VPN related. Both network ...
2
votes
4answers
4k views

What is the proper IP cofiguration for my 2 NICs and 2 VMs?

I have a Win2008 R2 server running Hyper-V with two VMs (Win2003 and Win2008R2). I have two NICs on my server, one for the host, and one for the Virtual Machine Manager. I have it configured as ...
2
votes
3answers
2k views

Is there any way to prevent DHCP server conflicts?

When I ordered the internet connection for work, they threw on a "bonus" router. It's a a 2wire gateway "every service we can cram in a box" type of thing. This is not what I preferred to work with, ...
2
votes
4answers
880 views

SMS to mail gateway

I would like to set up a simple and inexpensive SMS to mail gateway. I have a Nokia cell phone which I can connect to a pc with a USB cable. I would like a software which monitors the phone and, when ...
2
votes
1answer
357 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 ...
2
votes
4answers
507 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 ...
2
votes
4answers
2k views

Linux Ubuntu - Two NICs separate lan

I have this /etc/network/interfaces (IPs on eth1 are fake) auto lo iface lo inet loopback auto eth0 iface eth0 inet static address 10.0.2.15 netmask 255.255.255.0 broadcast 10.0.2.255 gateway ...
2
votes
3answers
955 views

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 ...
2
votes
2answers
719 views

How can I check if my embedded Linux's SSL is not affected by heartbleed, without relying on the version number?

There are a lot of embedded Linux device that are built on Linux, that are used exactly for security purposes, like gateways, if I check OpenSSL I get: openssl version -a gets -» OpenSSL 1.0.0k 5 ...
2
votes
1answer
425 views

I need to change the external IP address based on source IP address

I'm running an iptables firewall with 5 aliased ip addresses (actual ip 10.64.18.1). This machine is also my gateway out for all internal machines (192.168.18.*). My problem is, when 192.168.18.65 ...