0
votes
0answers
6 views

How to manage network in packet and out packet?

Looking for solution for Ubuntu system, I had a Computer with 2 different internet connection and 2 IP address. One is static Ip address where second is dyanamic Ip address. Want to receive request ...
0
votes
0answers
16 views

Multiple public IP addresses can be pinged on the VPS but not from outside

This is my /etc/network/interfaces: auto eth0 allow-hotplug eth0 iface eth0 inet static address xx.xxx.252.26 netmask 255.255.252.0 gateway 83.136.252.1 up ip addr add ...
0
votes
0answers
15 views

where is network layer protocols

that's all I can find tcp source code on my Ubuntu, also the place of data link layer is on the network interface. So where is network layer protocols on ubuntu ? Also I am looking for routing table ...
1
vote
2answers
29 views

Is there a better way to programatically get the networking parameters from Linux OS?

I am writing some scripts which need to programatically get a lot of networking parameters from Linux OS. For example, the names of all network interfaces, ip address, netmask, MAC address. For ...
0
votes
1answer
24 views

IP address problem on 2nd network card

I have a network at home with multiple clients, both wired and wifi. All but one of the clients connect to the network with an IP address that is within the range that the router assigns to them. The ...
0
votes
0answers
18 views

Can't access my ip-cam

The IP of my router is 192.0.0.1 and it's DHCP-Range from 192.0.0.101 to 192.0.0.199. The camera gets fround an arp-scan, when I reconnect it, but disappears soon after and I receive a "network ...
0
votes
0answers
28 views

How do you save the routing table on the Beaglebone Black(angstrom )

I Flashed my beagle bone with the angstrom image and I set it up so that it can get internet over the USB connection and one of the steps for that is this command: route add default gw 192.168.7.1 ...
0
votes
0answers
28 views

Can not apply a static IP address to Virtual PC?

I Installed an Ubuntu 12.04 LTS Server as a Virual Server using Wmware Workstation 10. Unfortunately when I change the DHCP setting to static. The server is unable connect to our network, it works ...
0
votes
1answer
77 views

pptpd VPN: No internet access after connecting

I've followed the instructions in this tutorial to set up a vpn server, so that I can connect to that and surf the internet virtually from another location. So far from windows, I can connect to it ...
0
votes
1answer
88 views

Connecting to private IP's in Ubuntu 14.04 with Microsoft VPN

I have an installation of Ubuntu 14.04 configured with a VPN connection. I followed this article which seemed to pertain to Ubuntu 12.10 but the instructions seemed to apply for the new version as ...
-1
votes
2answers
32 views

Getting a Public IP that is different for my Ubuntu Server then my Homenetwork

Okay so here's the thing, I live in Sweden and got fiber with a internet speed of 100/100 mb/s. They way my network is setup right now is that I got a modem which is hooked up to my router which goes ...
0
votes
2answers
37 views

Can I share a private IP address on Wi-Fi and Ethernet?

I have a laptop which is usually on Ethernet and has a static IP. Sometimes I need to take it away from my desk and use the wifi. How can I make the Ethernet and Wi-Fi use the same private IP address? ...
2
votes
0answers
56 views

LXC bridging with two NICs

I am setting up a server to host a number of LXC containers, for now just isolating web and db services. The server I am using has two NICs and I'd like to use one for host traffic and one for ...
1
vote
1answer
117 views

Question about routing VMs with static IPs in Ubuntu (Unsolved)

I have a server with an external provider that is running Ubuntu 12.04. The server is having a static IP. I have installed VMware workstation and I am running some virtual machines, one of them is for ...
0
votes
0answers
39 views

Firewall blocking access to DVR web server on LAN. How can I open access?

I have a Ubuntu 14.04 server as my DHCP modem on my network. On my LAN I have security cams on a web server that worked fine with port forwarding and DHCP on the web server. The problem arises when ...
0
votes
1answer
53 views

Set Up IP in Ubuntu 12.04 LTS

I am trying to set IP's for a Wired connection in Ubuntu via the Network Connections GUI. However, In wired connections, when I select Manual IPv4 settings the "SAVE" button get greyed out and I can't ...
1
vote
1answer
50 views

Multiple IPs on different subnets on one interface

I have managed to configure two IPs from different subnets on the same card. I changed /etc/network/interfaces to have: auto eth0 iface eth0 inet static address 172.16.4.254 netmask ...
0
votes
0answers
67 views

Passing ICMP between two interfaces

I'm trying to setup routing between two network interfaces on an Ubuntu machine. The first interface is the nic, connected to my LAN. The second interface is a tunnel dev created by OpenVPN. The ...
1
vote
2answers
679 views

How can I access my Hikvision IP-cam over VLC?

My setup is as following: The IP-cam (Hikvision DS-2CD2632F-IS) is connected to a router. My notbook is connected to the same router. The router is set to DHCP. The factory default IP of the ip-cam is ...
0
votes
0answers
364 views

Install network printer manually (TP-link TL-WDR3600)

I want to use a HP Deskjet f380 printer as a USB connected network printer, connected with a TP-link TL-WDR3600 router and it's not working. This question is a duplicate of: Install Network Printer ...
1
vote
1answer
44 views

How to block ips similar to editing the HOSTS file on windows

I have recently switched to Ubuntu and need to block a few Ips for gaming. Previously, I could simply add a line to the File in C:\Windows\System32\Drivers\etc\HOSTS but I am unsure how to do this on ...
1
vote
1answer
67 views

How to block ip forwarding for specific remote ip address

I use ubuntu as gateway for several hosts. I need advise how to block ip forwarding for specific ip address or specific ip range? I tried to block ip via ufw deny rules, but it looks like ip ...
0
votes
1answer
47 views

Add new IP address to my hosting

I'm sory if its already answered but I'm very newbie and as I can see the other answers interfaces configurations are different than mine and I'm confused and worried about doing something wrong. My ...
2
votes
0answers
122 views

Macvlan interfaces beyond first interface fail to connect.

I've been working on a project to build a set of macvlans on ubuntu. The process I'm using comes from here. In short, I run this set of commands to build and initialize an interface: ip link add link ...
0
votes
0answers
27 views

Nintendo DS unable to aquire ip from ubuntu 12.04

I want to connect my Nintendo DS (does not support WPA or Ad-Hoc) to the internet, but i can't just change the encryption from WPA to WEP every time i do so, so i connected my pc via ethernet cable to ...
0
votes
2answers
41 views

View Network Traffic

I've found a few programs that report network traffic, to which IPs communications are with and a few more details. Is there any way to see details of these packets? Specifically I want to view the ...
0
votes
0answers
44 views

Is it possible to assign an IP address range as an alias?

Need to add 128 IP addresses as an alias. I was wondering if instead of doing eth0:1, eth0:2, ... eth0:128, I may be able to add them all as a single block. I know that in RH flavors of Linux that ...
1
vote
1answer
85 views

IP address changes in vmware?

I am using Ubuntu 13.10 in vmware on my Windows PC. So the problem is: when I see my IP using ifconfig command then it shows 198.168.33.180, but when I see my IP on whatismyip.com (on Ubuntu), it ...
0
votes
3answers
65 views

make mistake in setting IP

I have a device that has Linux Ubuntu OS. I use SSH for connecting to it. my Linux version is like below when typed cat /proc/version command: Linux version 3.2.40-g996c4d7-dirty ...
2
votes
1answer
86 views

What are the possible threats if internal IP address is publicly revealed?

In many cases, people do not take enough care to remove their IP addresses from some output before posting it to help forums and Q&A sites like askubuntu. Considering one's IP address is revealed ...
0
votes
1answer
39 views

ubuntu external ip addres

I'm new to ubuntu and I need your help with this, As you know when you install apache you put the internal ip address in your browser and you get it works, I want as well to access it from somewhere ...
0
votes
0answers
29 views

How to allow ip forwarding out of source interface

I have enabled ubuntu for ip forwarding, and that works. However, sometimes the routing table has a next hop out of the same interface the packet came in on. It triggers an ICMP redirect as expected, ...
1
vote
1answer
113 views

Ubuntu Server 12.04 stops responding soon after assigning a static IP manually

I know there's a lot written about this issue but no response seem to answer my question. So I am wondering my problem is with the most recent version of Ubuntu. I have just installed an Ubuntu 12.04 ...
0
votes
2answers
252 views

How to change your Local IP?

While I order a hp server for my Ubuntu server, I am currently temporarily using my laptop as a server instead. I installed Ubuntu 13.10 and other programs like Webmin, etc, etc while being connected ...
-1
votes
1answer
423 views

How to enable ipv6 support in linux system [duplicate]

I am trying to enable ipv6 support to my linux system. Im trying to modify /proc/sys/net/ipv6/conf/all/disable_ipv6 this file but system is not allowing to do so.
2
votes
1answer
402 views

Why does my static IP address change itself every 24 hour period?

I'm using Ubuntu as a server running tomcat for a web application and my static IP changes every 24 hour period from xxx.xxx.xxx.100 to xxx.xxx.xxx.102 and because of that I have to restart my ...
0
votes
0answers
2k views

Install Network Printer Manually (Router : TP-Link TL-WR842ND)

Router Model No. : TL-WR842ND After reading this article, I carry on the installation but it does not work. This is the properties page : I have attempted to print test page but the status shows ...
1
vote
0answers
53 views

Can't login to my router through internal ip? [closed]

I am trying to forward ports on the internal ip in my router config on a remote computer on the same network. But I can't connect to the ip? My host system is running Ubuntu server 12.04 and I can ...
4
votes
2answers
785 views

How can I find the IP of a NAS connected via SMB?

The question says it all. I have a NAS which was working quite well for quite some time. For some or other reason I started using smb instead of ftp. Now I can no longer access the configuration ...
0
votes
1answer
628 views

ssh unable to connect with external ip (port 22 is open)

I want to reach my home computer from work computer. I've already installed openssh-server. Status is: dpkg -l openssh-server Desired=Unknown/Install/Remove/Purge/Hold | ...
0
votes
0answers
192 views

How to dynamically switch public IP of my VPS (with multiple IPs)

I have VPS with 7 IPs, running Ubuntu 12.04. You can see output of my ifconfig command here at picture: if config output Now I want to run php script under the different public IP each time. For ...
0
votes
1answer
217 views

Ping IP or URL from different IP with same Ubuntu

how to ping a IP or URL from different location or IP with same Ubuntu PC . I want access same IP or URL from the same Ubuntu PC but not with same system IP every time . thank you.
1
vote
2answers
249 views

static ip network guide

I have a fresh install of 13.10 and my networking works fine (cable model cloud router) via the standard network manager applet. I'm trying to setup my box to a use static IP instead of dhcp and I'm ...
2
votes
2answers
1k views

Can ping but cannot wget with server name

I have a problem. with the help from the people at this forum I managed to setup my network. To recapitulate i have two computers comp1 and comp2 connected like this comp2(eth0) -> comp1(eth1) ...
0
votes
1answer
60 views

Routing and Ip setup

I have recently messed up my network in the attempt to connect two computers using network cards so that comp1 has an access to the internet directly and comp2 uses the comp1 to do the same thing. ...
2
votes
3answers
163 views

Connecting Two Computers Together: Assigning IP doesnt work

I messed up. I have two network cards in one machine and one in the second. I tried to connect two computers together by setting a static IP on two machines like this: comp1: sudo ip ad add ...
1
vote
1answer
63 views

Long waiting List for Internet: What are these IP addresses?

I am having a problem of slow Internet Browsing speed. When I checked it with NetHogs there was a huge list waiting for Internet. What are these IP addresses ? How can I find them ? Is it due to ...
0
votes
0answers
89 views

correct /etc/network/interfaces config for a tun6to4

I am trying to get the following in /etc/network/interfaces: ip tunnel add tun6to4 mode sit ttl 254 remote 77.111.111.200 ip link set dev tun6to4 up ip addr add 2001:aaa:bbb:1::1/64 dev tun6to4 ip ...
1
vote
0answers
250 views

Issue restarting after changing /etc/network/interfaces to a static IP Ubuntu 12.04.3 LTS

I've been trying to set up a static IP address on my new Ubuntu build (12.04.3 LTS). I changed the following lines in my /etc/network/interfaces file from: auto eth0 iface eth0 inet dhcp to: auto ...
3
votes
1answer
115 views

What IP address does Ubuntu assign itself when it cannot reach a DHCP server?

When Windows is attached to a network but cannot reach a DHCP server, it defaults to an IP address of the form 169.254.XXX.XXX. Does Ubuntu do something similiar?