the IP protocol and IP addresses

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3
votes
3answers
2k views

Accessing a linux machine with a name (not ip address)

When I access a linux machine with sshfs, I take the following steps. Get the ip address of the linux (the ip address is dynamically allocated to linux) Run sshfs id@ip_address:/HOME_DIRECTORY Can ...
1
vote
3answers
947 views

Connect my laptop through desktop to internet

I'm currently at work and our wifi is down. I usually connect my desktop to the internet through eth0 and my laptop connects through wifi. I have an extra port on the back of the desktop (eth1) and ...
4
votes
3answers
3k views

Send duplicate packets over two Internet connections

I need to duplicate an RTP stream over two different (non-reliable) Internet connections. On the receiver side, I will probably run a custom program that will use a buffer and rebuild the stream ...
3
votes
4answers
2k views

Sniffing packets through router

I would like to create a system like this. The user would connect through a wifi network which would reroute all http requests and responses through the network card on a computer thus allowing that ...
16
votes
6answers
15k views

How to get my own IP address and save it to a variable in a shell script?

How can I get my own IP address and save it to a variable in a shell script?
1
vote
2answers
685 views

squid (reverse proxy) configuration

I would like to configure squid in such way, so that only specific (public) ip (reverse proxy), could connect to the server, but I don't know how... can someone tell me how to do this?
6
votes
3answers
383 views

SpamAssassin Under Linux VPS

I am getting bald with this guys: On a Linux VPS (CentOS), I have setup a mail server (Exim+Dovecot+Clamav+SpamAssassin) but scanning mail for spam using SpamAssassin is proving to be a challenge. I ...
5
votes
2answers
3k views

Can't ping broadcast

We're running four computers connected to a hub (yes a hub not a switch) on Fedora 13. They were installed using images from a colleague that has recently left us to go back to school, they may have ...
5
votes
1answer
2k views

avoid IPv6 link local address on interface

I have a setup with virtual Xen hosts connected to a set of VLAN-s. On Dom0, I have set up a bridge for each of my VLAN-s to connect DomU-s to. Bridges are set up in /etc/network/interfaces like ...
12
votes
2answers
2k views

IP to Country console command

Is there a console command that takes an IP address as an input and shows its geographical information like city, country, ISP, etc.?
8
votes
2answers
1k views

Measuring internet connection quality

I'm having WLAN trouble on my dualbooting win/linux laptop - the connection on linux side has occasional trouble, and seems somewhat slow and chunky. I would try to fix this issue by fiddling with all ...
2
votes
1answer
407 views

Redhat Enterprise Linux 4.7 - Ping problem

When I try to ping some of the IP addresses I get "connect: No buffer space is available" error. Also when I check /var/log/messages, there are some errors like as following printk: 99 messages ...
9
votes
3answers
4k views

Can't access select https sites on Linux over PPPoE

My internet connection used to be a direct LAN connection to my provider. Back then, everything would load fine on both Windows and Ubuntu (dual boot). However, a while ago they started needing me to ...
4
votes
1answer
2k views

multigateway routing for specific src port

I have two gateway to access internet, somehow I want to load balancing it, so far its working, but some connection or service need persistent gateway IP to be used, so the client should never change ...
10
votes
3answers
2k views

Parsing log files for frequent IP's

So, I hacked this together while undergoing a DDOS attack to pull naughty ips out of my logs. Anyone have any improvements or other suggestions to make it better? Here's the general idea: pull ...
5
votes
5answers
11k views

How to route specific adresses through a tunnel?

There are certain websites/services which I can only access from the subnet on which my server is located (think of the typical intranet scenario). Is there a way to transparently route traffic that ...