Programming :: Faking IP Addresses To Test Servers On Internal Network
Jun 9, 2009
I'm in the process of setting up a script in perl to make 1,000's of curl calls to my companies application on our test server. Our software does all sorts of tracking of data based on IP addresses using geoIP, so i was wondering if anyone knew of a way to fake these addresses to the server?I know a big issue with the IP faking is the return path but i dont really need this. I also cant do it on the hardware level since the script is going to be picking lots of different IP's at random.Anyone have any idea if this is possible and if so, are there any known libraries i can use for this? I prefer perl but any Linux compatiblie scripting language is fine.
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Jan 26, 2011
Suppose I have a bunch of web servers running on my internal network:
And I have a dyndns account, I was wondering:
How can I do this?
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Aug 25, 2011
I am trying to configure my IPv6 network. My computers are behind a Fedora gateway IPv6-configured, which is working great. But for computers inside my network, it seems I am getting only internal addresses from DHCP. Here is my ifconfig for an internal computer:
Quote: em1 Link encap:Ethernet HWaddr F4:6D:04:34:92:2B inet addr:192.168.0.184 Bcast:192.168.0.255 Mask:255.255.255.0 inet6 addr: fe80::f66d:4ff:fe34:922b/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:744250 errors:0 dropped:0 overruns:0 frame:0 TX packets:548987 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:841392242 (802.4 MiB) TX ytes:60384500 (57.5 MiB) Interrupt:18 Memory:f7100000-f7120000
he-ipv6 Link encap:IPv6-in-IPv4 inet6 addr: 2001:470:1c:611::3/64 Scope:Global inet6 addr: fe80::cea7:b778/128 Scope:Link UP POINTOPOINT RUNNING NOARP MTU:1480 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:61 dropped:0 overruns:0 carrier:61 collisions:0 txqueuelen:0 RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
[Code]....
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Oct 7, 2010
I installed Apache2 and I added a second virtual host, now can i separate the 2 hosts and let them access 2 different internal test sites? For Example lets say"
User1 uses one IP
User2 uses second IP
How can I separate it in Apache2 and in the /var/www ?
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Feb 25, 2011
I've installed Ubuntu Server 10.10 with two network cards. One for external, and one internal.My problem is that as soon as i activate eth1 (external), i can't access the server from the internal network (eth0)
With these settings i can't reach the internal network from inside.If i disable the gateway on eth1 and enable the gateway on eth0, it works.
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Sep 4, 2009
I'm using the mail command and I am able to send mail to my gmail account with out any problems. However when I send mail to deco -at- mycompany.com I nothing happens and no mail ever arrives in my mailbox. It might be worth mentioned that my centos5 is a virtual machine on the same server as the company exchange mail server.
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Mar 8, 2010
I'm running Ubuntu Server 9.10 and I'm looking to setup an FTP server. I have SSH running beautifully and it's accessible from any computer whether it be inside the network or coming in from the internet (provided you have the administrator username and password ). I've tried Proftpd and vsftpd and have failed miserably so far. Which FTP server application do you think I should go with and how could I go about setting it up through my SSH connection?
My current setup is this:
- Ubuntu Server 9.10 with Fixed IP of 192.168.1.100
- 500GB Hard Drive
- SDA1 = 512MB ext2 /boot
- SDA2 = 2GB swap
- SDA3 = 20GB ext4 /
- SDA5 = 438GB ext4 /home
- One User (Username = administrator)
- Full SSH Capabilities
- IP Address to DNS provided by www.dyndns.org
- WRT120N Router with Remote Access and Port 22 Open
I basically want to set up a secure FTP server that anyone on the internal network can access as well as anyone from the internet (as long as they have a username and password). I want to setup a username and password for each user so that they all have read/write access to the same folder in my /home partition (I'll call it FTPSHARE).
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Jul 27, 2010
I've 7 PC's on my network. I've to setup an internal mail service, to send mails inside the network. I've installed Fedora 12 on one machine and the rest run's on Windows XP. What all packages do I need? How can I configure it?
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Jan 9, 2010
I have a problem configuring my PostGreSQL server for internal network access.
I want to be able to access my postgre server from 192.168.1.10
It works when I set listen_address to *, but if I input 192.168.1.10, or any other IP address, I always get:
Quote:
WARNING: could not create listen socket for "192.168.1.10"
FATAL: could not create any TCP/IP sockets
postgresql.conf section
[Code]....
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Apr 8, 2009
I have installed Postfix + Amavisd-new, then I am started all services (and configured main.cf and master.cf to use amavis).
The questions are:
1) I am trying to test antivirus scan using eicar test virus
Code:
And the message is successfully delivered to mailbox with mark "CLEAN" in maillog. But I cant see any attachment using
Code:
Where is my mistake?
2) Should I update clam and how I can do it?
3) Is spamassassin enabled by default in amavis (I have started daemon)?
4) Where configuration files of spamassassin is stored?
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Oct 4, 2010
Are there any possible options to archive this w/ the 2.6.34 kernel? I know windows can do this w/ a button and BSD can drop packets when connected to closed ports...is IP personality usable in 2.6? Do I need work-arounds? any more options??Currently I've managed to @%#$ my OS fingerprints so results won't show as Linux.4/2.6...etc, but the problem is.. instead it's got the word "Redhat" in it (which is well... worse... because now.. if someone looks at my machine he/she'll know I am on either RHEL/Fedora )
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Jan 5, 2011
I install from openSUSE-11.3-NET-x86_64.iso. Installation was succesfull, but after install all packet on test internet / update was error. And after log in in installed system internet not work. I use router with DHCP
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May 28, 2010
I am having an issue on my server where I can't access certain ip's erratically. These addresses could previously connect to us.I think it may be related to getting rootkitted. I know the risks in not reinstalling but we are not able to install yet at this point. I cleaned out shv4 and shv5 from the os and setup tripwire. The client can't ping the server and likewise back.From my personal computer they both respond to pings.The server is running denyhosts but that is about it in-terms of security.I can't find anyhting anywhere... No ipchains present, nothing in host.deny, subnet is 255.255.255.0.I'm really at a loss so I'm looking for some direction
I know someone is going to tell me that I have to assume all my files are compromised and i should reinstall; I did md5 checks on alot of files and there is no data on here that shouldnt get out and I check for stuff running that shouldn't be daily.The server is 10.04 server. Latest updates.Here is a list of installed packages
Code:
adduserinstall
anacroninstall
[code]...
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Dec 7, 2008
I am looking for a command which, when typed from the command line, returns the ip-addresses of the DNS nameservers that my ISP is using.I think is should be technically possible to write a program that does this, because linux installers set up /etc/resolv.conf correctly (as does knoppix). But I've been unable to find a command that does it. Is there one, and if so, what is it called?
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Jul 21, 2010
i have a small home network. i have laptops and workstations that my family (public) uses and an esxi box (private) that i use to test new apps for work.i need to have the public network separate from private. I have tried using two linksys routers but was unable to get the private network to access the internet. i was thinking i could use iptables with a couple of nics but I am not sure it would work. I know this could be a lot of work for someone that has never used iptables before but will give me a reason to learn it.i am sure setting up a public and private network has been done before i just don't to buy a bunch of hardware. I have a extra workstation and a bunch of nics so i would like to go that route. I am open to suggestions.
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Mar 22, 2010
Does anyone know the ubuntu update servers IP addresses. I am trying to fine tune my firewall rules and was unsure of what ip addresses to use for the update servers. I believe they are us.archive.ubuntu.com and security.ubuntu.com. However, I could be wrong.
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Dec 13, 2008
I am using DHCP on my home network. There could be as many as 5 computers logged in at any given time. Their IP addresses change depending on the sequence they log in.I want to be able to connect to them from any of them (some wired, some wireless) and share files by issuing a mount command for the appropriate shared drive.My question is how to get the IP of each computer when I only know the names of the computers. Pinging the computer name succeeds, but it does not give the IP.In other words I am looking for a Linux command that will come back with a list of IP's with their corresponding computer names so I can issue the right mount command. I would like to issue this command from a Linux terminal, but would also be happy to issue it from a Windows XP station.
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May 7, 2010
have a file (called it A) contains;
hostname 192.168.23.65
hostname 10.18.13.253
hostname 10.18.16.253
hostname 177.23.56.58
how can i write a script to get only ip addresses & send it to 3 files with the following info. only:
file1:
192.168.0.0
file2:
10.18.0.0
file3:
177.23.0.0
by creating the 3 files then i will be able to set up subnetmask, gw,....etc.
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Apr 5, 2010
I'm running a dual boot system at work. I'm connected to a few shared drives in XP, and would also like to connect to them while using Ubuntu.How do I determine the addresses of the servers I'm connected (mapped) to in XP?
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Aug 5, 2010
I'm using Ubuntu 10.4 box with Apache2 web server. I have a site with several Domain Names. How do I set up tracking?
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Jan 1, 2011
I want to display the associated host name with each address.
I've found the /var/lib/dhcp3/dhcpd.leases file, but it appears to have an entry for every time a lease was issued so it's hard to tell which ones are currently active.
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Jul 23, 2011
I want to set multiple IP addresses onto my server and I can then put under an alias.
But is it possible to somehow create a script in perl example that can do this for or is it only possible manually?
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Sep 13, 2011
I have created my own distribution with susestudio.com , based on jeOS template and it works well But I have some problems with network configuration. I make a default configuration with susestudio ( configuration -> General -> network ) and I put for example 172.16.0.185 address. I also put a script which configures IP address with different informations coming from for example a serial port to make my own IP address. This script make the new address and call the ifconfig system program. For example, the script calls "ifconfig eth0 172.16.0.182". And now, I can ping the two addresses, 172.16.0.185 and 172.16.0.182. Is this normal ? I thought the new command "ifconfig eth0 172.16.0.182" would overwrite the old value ( 172.16.0.185 ). It works as this on other distribs ( like ubuntu ) but not on opensuse.
I know that I can have 2 addresses but using the following syntax : "ifconfig eth0:1 A.B.C.D" (if kernel supports aliases ) , and I don't know if it is normally possible to have 2 address from the same subnet. How can I overwrite the default config , and not to have the first address available ?
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May 2, 2010
I have four PC's in a home network setup, no server just peer to peer using ssh. I have tended to use wicd to set static IP addresses because Network Manager didn't always perform as I thought it should. Now that I have installed 10.04 I cannot see how to set static addresses using Network Manager so I installed wicd, and disabled Network Manager. After setting the address with wicd it shows that the computer is connected to the internet however I cannot get internet access, though I can network with my other computers. I've uninstalled and reinstalled a few times just to check that I haven't been careless but the results are still the same.
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Oct 13, 2010
This code uses ping to check connectivity to a remote location and logs it to a .html file which is then stylized by css..
Code:
#! /bin/bash
path="$HOME/Desktop/IP_Monitor" #Path to write out files
ALT="0" #For styling alternative row
[code]....
I need to add a feature such that instead of hardcoding the ip address .. it takes them from a list and makes new files for each ip address for logging.. And also when log files are completed , They should be compressed using tar. How should i go about adding both these.. This is my first bash script.
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Mar 25, 2011
I want to compare 2 IP addresses, so that I may compare which is more/less "specific" or "restricted" than the other. So is there any function/library that may help in doing this comparison in C (on Ubuntu 10.10)?
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Feb 25, 2011
I Want to Develop Network Scanner Software. For that i need "Java Program to Display All IP Addresses in LAN".
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Apr 29, 2010
I have for example the following IP addresses:
24.172.220.218
41.239.36.19
63.215.202.234
66.176.124.22
[code]....
How can I sort those IP addresses? I want to sort them using the first 3 numbers I also want to count the number of times that address is repeated This is a batch program.
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Dec 12, 2010
I have tried several places for help but I am getting no where...Here is my background.I have spent all weekend to replicate my development server back at home. I have an Apache remote server with 3 IP based virtual hosts pointing to
[URL]
Now I have been able to set up a VM on my desktop, installed the OS, the applications, the db server, apache etc. Everything is looking good so far. So right now I have,
[URL]
So when I go to 192.168.0.111, I go to [URL] so I guess apache is working aswell.What I want to do is, instead of going to [URL] I want to change it to another address such as a.me.add1How can I do this? I am looking through the virtual hosts section, I have changed server name entry etc but its not working.Can you tell me in big picture what I would need to do to set that up? My current set up doesnt really help me much once the site get the www address.tell me if Document Root of IP address 192.168.0.111 points to [URL] will it always resolve into that webaddress. That is if I enter 192.168.0.111 the browser will redirect it to [URL].
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Mar 31, 2011
I have a CentOS5 server with dual ethernet adapters + Webmin installed as my Router / Firewall / DHCP server working successfully with 1 static IP from my ISP. I also have 7 additional static IP addresses from my ISP needing to configure to individual servers inside my network. I have configured the additional virtual interfaces, but am lost on how to route data specifically from additional ISP address to specific internal network address.
Below is my desired configuration.
98.173.159.xx1 = eth0 physical interface ==> eth1 192.168.1.1
98.173.159.xx2 = eth0:1 virtual interface ==> 192.168.1.10 ==> CentOS Server 2
98.173.159.xx3 = eth0:2 virtual interface ==> 192.168.1.20 ==> CentOS Server 3
98.173.159.xx4 = eth0:3 virtual interface ==> 192.168.1.30 ==> CentOS Server 4
98.173.159.xx5 = eth0:4 virtual interface ==> 192.168.1.40 ==> Mac OS X Server 1
98.173.159.xx6 = eth0:5 virtual interface ==> 192.168.1.50 ==> Mac OS X Server 1
98.173.159.xx7 = eth0:6 virtual interface ==> 192.168.1.60 ==> Network Attached Storage Server 1
98.173.159.xx8 = eth0:7 virtual interface ==> 192.168.1.70 ==> Windows 2008 Server 1
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