0
votes
0answers
40 views

How to redirect all data through a proxy on Tomato?

My proxy is Squid as an external machine. My router is a WRT54GL with tomato. On the router, I wrote this for the firewall script. It nicely connects to the proxy, but when try to visit any page it ...
0
votes
1answer
64 views

Why doesn't SpeedTest.net Upload work in Windows when using a Debian-router?

There is a FTTx connection. I connect ISP cable to the WindowsXP pc, setup PPPoE. SpeedTest.net shows normal Upload / Download. Now I connect ISP cable to router with Debian 7.5 installed, set up ...
0
votes
2answers
59 views

Wifi sharing over eth0

There are a lot of tutorials how to share network connection with your usb wifi adapter and I tried lots of them but it is still not working. Can you please help me with my problem. Here is my network ...
0
votes
1answer
97 views

OpenWRT and iptables: redirect all traffic from ip1 to ip2

I'm aware of other questions with the same topic, but I couldn't get it to work. I'd like to forward inside my local network all traffic from ip1 to ip2. Only from inside the network, no outside. I ...
0
votes
1answer
88 views

iptables --append FORWARD required for routing between NIC alias IPs?

I have an ubuntu box with a single NIC. In order to bind a number of services (like apache, dnsmasq, etc), I have bound them to different alias's (e.g. eth0:0, etc), some of which are on completely ...
0
votes
0answers
38 views

Using telnet to router (iptable), set up squid proxy for specific websites and/or from sepcific host

I have a router to which I can telnet. I checked and it allows me to tweak iptable as well. I have a remote VPN running Squid3 which is tested and works fine. Now I want to tell my router by iptable ...
1
vote
0answers
69 views

Can't connect to web server from outside my network

I have a Debian-based server that I would like to be able to access from the Internet (no domain name yet, I'm just trying to get it working for now). I already have port forwarding set up on my ...
0
votes
1answer
43 views

How to specify a certain device to access the Internet via the OpenVPN client of router?

Involved Devices: a VPS, a router, and several devices that connected to the router. Final Aim: Base on the OpenVPN client which has connected to the server on the VPS, specify only one local device ...
0
votes
1answer
325 views

What does this iptables rule mean: tcp flags:0x06/0x02 TCPMSS clamp to PMTU?

What does this iptables rule mean: tcp flags:0x06/0x02 TCPMSS clamp to PMTU? Doing iptables -vnL on my DD-WRT router shows the following rule in the FORWARD chain: TCPMSS tcp -- * * 0.0.0.0/0 ...
1
vote
1answer
98 views

Use IPTables to force TCP packets over router

To test a TCP-stack program, I need to get the TCP packets via the router. When I try to connect to my server program via the router, the OS does not hit the router as the destination IP is the same ...
1
vote
2answers
378 views

Is selective VPN routing worth it?

I want to setup routing tables on my RT-N66U router to selectively route traffic through a VPN. For instance, only Pandora requests would go via the VPN. I've found a way to do this with iptables: ...
1
vote
0answers
100 views

“iptables -P OUTPUT DROP” blocks DDWRT's web interface

When I do iptables -P OUTPUT DROP it blocks DDWRT's web interface. That is I am not able to access http://192.168.1.1 via Firefox. I put this rules before changing the chain policy to drop: ...
0
votes
1answer
88 views

Same IP on two NICs?

This is similar to this question. However I'm looking for an answer from a perspective of worst case scenario, and risks involved. I'm not interested in LACP or cnahhel bonding. I have a computer ...
1
vote
1answer
100 views

Traffic not being forwarded through NAT

I have a router which provides internet access using NAT, and a client Linux box (A) which is connected to this router on eth0. This Linux box also has a wlan interface, wlan0; what I would like is ...
0
votes
1answer
94 views

iptables as a proxy

I'm not sure how to start better so i'll be straight. I have to travel to a foreign country, but i need access to a server that is local to my hometown network. I have a DD-WRT router with only my PC ...
0
votes
0answers
311 views

Port Forwarding to internal device without default gateway using iptables

I need to access externally (via Internet) one device in internal network which has no default gateway configured. Just IP and Mask. The standard iptable rule to accomplish the first part of this ...
1
vote
0answers
186 views

NAT router sends RST to a server where a NAT'ed client is connected to

As I tried to remove some Ethernet wires in my home network, I took an older notebook with Linux and tried to use it as some kind of Ethernet-2-WiFi-NAT-router (Wi-Fi card can't act as bridge, so I ...
0
votes
0answers
743 views

How does iptables masquerading allow to access a different local subnet?

My Linksys router (IP 192.168.1.1 inside a /24 subnet) is connected to my ADSL modem (IP 10.0.0.138 inside a /24 subnet) to establish an internet connection via PPPoE. To be able to access the modem's ...
2
votes
2answers
2k views

How to use iptables to connect proxy server

In my company, all http and https must connect to a proxy server, which means we must set proxy in our web browser. Our department has an internal network (192.168.0.xxx). I use a Linux server as ...
1
vote
0answers
132 views

How to unblock jabber on TI ADSL router with iptables

I have old but reliable Texas Instruments ADSL router. Board AR7RD; BUILD=061005; VERSION=3.7.1 If that matters... One thing that bothers me is that it somehow blocking my jabber (Pidgin ...
1
vote
1answer
113 views

Separating two networks

I have two routers, R1 and R2. R1 (a stock linksys router running dd-wrt) is connected to internet and is serving internet to a network of 5 devices/PCs running a DHCP server, with a network of ...
3
votes
1answer
101 views

Use port forwarding with masquerade

I'm using a debian as a router with nat configured. How can I set up port forwarding, to set an rdp server on the local network for example?
0
votes
1answer
201 views

Using my previous desktop computer as custom ubuntu router, will throughput be high?

I'm going to be redoing my home network soon and am thinking of using a dedicated ubuntu machine to use as the router/firewall as well as being a web server, nas (media file server), dns, wifi, and ...
1
vote
1answer
302 views

iptables Settings as WAN Input for Router

I have an eee running ArchLinux with wireless access to the Internet. I want to use it as the WAN input for an Asus RT-G32 router into which it is hardwired. The router in turn is hooked up to a ...
1
vote
2answers
425 views

iptables - router configuration

I have a router that I am customizing settings for. I want to only allow SSH from the internal network and drop everything else. This is what I have so far. I tried it and I had to reset my router ...
2
votes
2answers
891 views

Using iptables to selectively route outgoing requests?

I'd like to set up my Dd-WRT firewall so that it uses the VPN service from a VPN provider to access a bunch of destinations and normal route foe all other requests. In detail: giganews.com would be ...
0
votes
1answer
237 views

how do I forward *only* http proxy across vlans?

My router has two bridges, br0 and br1. I'm sharing wifi access, and the guest subnet will be 192.168.2.x. The home subnet will be 192.168.1.x. I want all traffic destined for port 80 from the ...
1
vote
2answers
2k views

Routing from the DMZ to the interior network only

I have a home network connected to Verizon's FIOS service. Verizon's ActionTec router is connected to the ONT via coax to establish the MOCA network. My DD-WRT router's WAN port is connected to one ...