Questions about running a UNIX-like OS (typically Linux) on wired and wireless routers, including flashing, creating, and configuring custom firmware.

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dd wrt firmwire file prompt password while extracting

I am a newbie in using dd wrt firmware development. Last day i download a dd wrt firmware dd-wrt.v24-21676_NEWD-2_K2.6_mini-e900.bin for Linksys E 900 router. I need to extract this image for ...
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1answer
16 views

Setting permissions on SMB

My router (Netgear DGN-2200-64) has a USB port usable as SMB storage (with the default firmware - I guess it's Linux under the hood). I plugged in an old flash disk (FAT formatted I think) & set ...
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0answers
12 views

Switch gateways on failure (WRT)

I have two WRT routers each connected to their own wireless gateway (cell phone and hotspot across the street). The routers lans are bridged with WDS and on the same subnet, so clients can connect to ...
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1answer
16 views

How to get IPs via DHCP, through a router from another DHCP server?

ISP -> OpenBSD box -> Wireless router We have an OpenBSD machine that connects directly to the internet, has dhcp/dns cache "server" on it, and forwards the connection to clients via ethernet ...
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60 views

CentOS as home network router: IPTables Port Forwarding failure

I have currently set up a home server with a CentOS 6.6 installation on it. The server has two NIC interfaces which I'm using it as my router and DHCP server. Here's a diagram showing the network ...
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1answer
32 views

Is there a way to switch interface only by interface name?

I am currently working on how to switch network interface in Linux environment. And i am experimenting on switching network interface by switching default gateway, for example switch to wlan0 when ...
2
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1answer
34 views

On a router, what decides if a packet should be forwarded or directed into the router itself?

I'm trying to learn how packet routing works on a linux-based router (OpenWRT in my case) a bit better for setting up a few projects/just-learning. Referencing the below chart, I'll break this into ...
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0answers
19 views

static ip address in yast

I think that I set the FQDN for the server in yast. How do I set the static IP address with yast? I go to network devices => network settings, see my NIC: YaST2 - lan @ arrakis Network Settings ...
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2answers
30 views

Get Any Interface's Router Address

How can I know what the router's address is when I am on multiple interface? I know by using netstat -rn I can have the dominating interface's gateway, which is the router's address. But what about ...
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1answer
26 views

Can't connect Wifi devices to router when wired Ethernet computer is connected

I have a arch desktop with samba and ssh configured connected to a WiFi router/ADSL2 modem via ethernet. I was not able to connect any of my mobile devices (phones and tablet) or my netbook (running ...
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0answers
38 views

iptables - How to remove connection tracking

I'm using this command for redirect all web traffic (http) into my local web server iptables -t nat -I PREROUTING -p tcp --dport 80 -j DNAT --to 192.168.11.100 Then i test, access a website and got ...
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2answers
107 views

iptables - Redirect web traffic to LAN Server

I have a webserver which is running on ip address 192.168.11.100 How can i use iptables to redirect all web traffic (http and https) to my webserver on LAN? After that i want to add except list mac ...
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1answer
119 views

iptables - Redirect except list MAC Address

I'm using iptables on my router to redirect all web traffic to my page. But i don't know how to except my mac address list. I did command like this: iptables -t nat -A PREROUTING -m mac ! ...
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1answer
213 views

OpenWRT configuring access point Archer C7v2

I am trying to configure OpenWRT Barrier Breaker on Archer C7v2 to act as a dumb access point, so the WAN ethernet port will be connected to my network, and anything connected to wifi or the other LAN ...
1
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1answer
64 views

Linux as a router: Sending ICMPv4 messages “net unreachable” and “host unreachable”

I want routers based on GNU/Linux to sent at least those ICMPv4 messages: net unreachable, host unreachable. Especially the host unrechable message is important to me: If a router resides in the same ...
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0answers
46 views

ping on linux vs ping on mikrotik

I have ubuntu server 14.04, with two network cards (LAN and WAN). I made a masquerate for WAN card. I have internet access from a host within the Lan of router. I do a ping to 8.8.8.8 and try to ...
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1answer
108 views

Internet is not working when VPN is up

I'd like to redirect all trafic through VPN, but it doesn't work at all. server: RT-N16 [TomatoUSB v1.28.0000 MIPSR2-112 K26 USB AIO] client: Ubuntu 14.04.1 server config: # Automatically ...
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58 views

Seems that my router accessed one of my Linux systems, what does it mean?

I just ran the last command on two of my systems and there are weird entries: user pts/2 dsldevice.lan Sun Dec 28 22:59:35 2014 - Tue Dec 30 00:40:41 2014 (1+01:41) Notice: dsldevice.lan ...
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1answer
67 views

Debian server makes internet connection drop

I have setup a small home server / NAS running Debian 7. The server is connected directly to the router with a static IP set in the router's control panel. There are no port forwarding rules set for ...
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1answer
36 views

Finding out if my system is being used as a bot by looking at ifconfig?

Recently, I have often been suspicious that my router (a linux box) might have been used as a bot for spam blowout or something of that quality because I may have misconfigured my iptables rules by ...
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0answers
145 views

iptables IP address (source and destination IP address) mangling

I tried to understand the concept of iptables mangling part, but somehow failed to understand the IP header manipulative section. For example: Below is the system scenario which I'm trying to ...
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0answers
48 views

Gargoyle repeater bridge channel hopping

I have the Linux-based Gargoyle firmware running on an old TP-Link router, serving as a Repeater bridge to extend the range of a WIFI access point. Do I need to lock the original access point to a ...
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0answers
23 views

Bandwidth stats on wifi for each network?

Is it posible to have the bandwidth usage of the wifi connection for each network I use? Currently I have vnstat instaled on my MacBook Pro retina runing Yosemite. It works well but I have the usage ...
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0answers
56 views

Desktop environment makes my router crash, why?

I'm a beginner Arch Linux user. Last week I decided to install it on my desktop too (Windows 8 dual boot) but for some reasons it makes my router go crazy! I have set it up with Ethernet connection ...
2
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1answer
107 views

How to flash a router from FreeWRT to OpenWrt?

How can I change the firmware on a router from FreeWRT to OpenWrt? The router is a Linksys WRT54GL, so it should have enough memory for OpenWrt and I have SSH connection as root to the system.
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0answers
71 views

Configuring default static routes with RIPv2

I am currently working on an assignment managing a smaller virtual network with virtual box and tiny core Linux. (Using quagga) I am supposed to let RIP handle the default routing, though I cannot ...
2
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2answers
843 views

How would I build a linux based router?

I am looking into building a Linux based router out of a home-built Linux server. I don't have much experience with the software required however. I would like the server to run the following ...
3
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1answer
4k views

SSH: Network is unreachable (caused by router)

I've searched solution in Google for 3 days, when I decided to write here. I have a router, so in my house is WLAN. I use laptop when I stay at home. In another city in my office I have a second ...
3
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1answer
436 views

Spoof current MAC address to a known address to trick router and register device

I want to connect to a device to the internet, a Roku player, that has its own MAC address. The network that I currently have access to requires that I login using my credentials prior to being ...
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0answers
433 views

Weird Wi-Fi connection issue on Linux Mint 16

We have a LG-R590 laptop and an AirTies 5343 WLAN router at home. When the router broadcasts the SSID of the wireless home network I cannot connect to the network automatically, I have to connect to ...
1
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1answer
147 views

Debian server doesn't show in DHCP list on router

I have a Raspberry Pi running Raspbian which is connected over ethernet to my router. The router has been running both with DCHP and Static IP addresses and over the local LAN I can connect fine over ...
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4answers
1k views

Converting Linux into a Router- Traffic from eth0:0 to eth0

So I have been trying to convert my linux box which is running Mint into an router. eth0 has a public address that has 71.xx.xx.xx for an IP addr. I created an eth0:0 and set it an IP address , ...
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1answer
713 views

Are router firmware based on linux? [closed]

I was reading this book "the linux command line" and in the introduction it states that linux is internet backbone starting from servers to router infrastructure. That got me thinking to what extent ...
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0answers
59 views

pfSense and Belkin Integration

I am in a unique situation. I want to have my previous Linux box as a router, but I don't have wireless capability on it or even a second ethernet port, so I was wondering if there was a way I could ...
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0answers
117 views

Linux firewall distro that can configure a vpn connection as a WAN interface?

I'd like to setup linux as a router w/firewall between My machine and the internet. The linux box should connect to a VPN account using OpenVPN on boot (managed to get that done). Then the firewall ...
2
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1answer
1k views

Redirecting Request on Device in Access Point Mode

I have a Raspberry Pi with a wifi dongle that is configured for Access Point mode (wifi hotspot). When a user is connected, I want to redirect any url they enter to a specified IP (the devices ...
3
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0answers
36 views

Control browser from command line [duplicate]

I have an old router that I have set up as an AP on my home network. For some reason it loses connectivity every few days and needs a reboot. I would like to set up a script to run once every night ...
0
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1answer
109 views

Testing a Linux router on Laptop with one NIC [closed]

So, I have these instructions on converting my Linux machine to a router using (enable IP forwarding, NAT). Now my laptop has only one NIC and I want to test this setup. Any ideas how I can do this? ...
3
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1answer
156 views

ARP request with wrong IP address

I have a strange problem with a Linux router. The setup is like this: host1 === Linux router === host2 a.b.c.d --- a.b.c.e/g.h.i.j --- g.i.h.k Every five minutes host1 tries to reach host2. ...
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0answers
250 views

Portforwarding: router nat vs iptables [closed]

I would like to host some services on my pc and make them available from internet. (I'm aware of the security implications, it's more like a test for now). I don't have experience with iptables but I ...
2
votes
1answer
206 views

How to build a basic embedded linux on a Qualcomm router?

Not knowing the first thing on how to build a minimal linux system on an embedded device, I'd like to get some pointers in the right direction. Generally speaking, I'd like to know what are the ...
0
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0answers
780 views

Use iptable do redirect all the HTTP traffic to localhost

I use a Linux machine as WLAN Router with the help of hostapd and udhcpd. There's also an Apache web server installed on the same machine. Now I want to redirect all the traffic which comes through ...
3
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2answers
2k views

SSH connection refused from inside my LAN

I'm on Fedora 19 and I have a problem with ssh. Ssh is up and running and I can connect when I enter my lan ip. But when I try my server name (blahblah.no-ip.org) I get a connection refused. No-ip is ...
3
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2answers
646 views

SSH through router to internal file server

This is a real beginner question, I know. But I really don't seem to be able to wrap my head around the terminology to get what I want working. And since I want to do this on a router that 40-50 ...
1
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0answers
457 views

How to compile and install iperf on a MIPS based router?

I have a DIR-825 router based on Atheros AR7161 (MIPS) running DD-WRT v24-sp2 std. How can I compile and install iperf on it? Can I compile it directly on the target device, or do I have to cross ...
0
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1answer
933 views

Wifi on/off button on TP-Link WR841ND

I installed OpenWRT into TP-Link WR841ND. Everything works as expected, but I can't get the wifi on/off switch working. I followed the guide described on the OpenWRT page for this router. Scripts in ...
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1answer
128 views

Linux fedora - httpd package and router, how to make it work?

I installed HTTPD package to setup private web server in my house on one of the computers. The server is up and running, but I can't access the server from outside by using my external IP address. I ...
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1answer
755 views

Imagemagick on open wrt router “UnableToOpenConfigureFile”

I have installed Open Wrt on my TP-Link TL-WR740N/ND v4. Everything works fine but the Imagemagick. I have installed it into ram (no enough space on rom ) with opkg # opkg install imagemagick ...
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1answer
612 views

Open source os for dlink dsl-2640u hw: c2

Can anybody tell me which wireless router firmware projects already supports dsl-2640u hw: c2? OpenWRT works as a router, but the WiFi does not. However I'd like to be able to use the wireless ...
1
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2answers
207 views

Debian machine makes repeated requests to DNS for <gateway_ip>.in-addr.arpa

I recently forwarded all my router logs to my Debian machine. I noticed a repeated entry in the router logs. The entry is: Sep 14 17:07:29 192.168.0.1 [Host 192.168.0.1] UDP 192.168.0.2,38048 --> ...