General :: Is There A Traceroute-like Tool That Shows Ports As Well As IP Addresses

Jan 31, 2010

Is there some traceroute-like tool that shows ports as well as IP addresses? This is more for seeing how NAT works (on my home network) than for a practical need.

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General :: Give Input As Addresses To Tool Through Awk

Feb 4, 2011

we have a tool called trace which takes a memory address as input and gives the function name corresponding to that as output.I have a file which has around 200 addresses, which needs to be given as input to this trace tool.I can start the tool in this way.There is another file called address.txt from which I need to feed these addresses to this tool.Manually it takes lot of time to give the addresses which are in other file one by one. I have idea about some basic awk one liners.

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OpenSUSE Network :: Firewall Yast2 Shows Ports Open, Nmap Shows Them Closed?

Jan 8, 2010

I'm encountering a strange problem. I need to open and forward all UDP and TCP ports related to VoIPtelephony (5000:32000) in the Suse 11.1 server that's acting as router/firewall in our setup. The ports must redirect to a Asterisk server in the local network. (This server has the IP adress've opened ports in Yast (Firewall>Ports>Advanced) and putted in some masquerading rulesirewall>Masquerading):0/0,,tcp,5000:31000,5000:310000/0,,udp,5000:31000,5000:31000when I do a nmap localhost I get:Starting Nmap 4.75 at 2010-01-08 16:52 CETInteresting ports on localhost (

Not shown: 991 closed ports
21/tcp open ftp


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General :: Tool That Shows Disk Space Of Mounted Volumes Graphically?

Dec 20, 2010

I am looking for such a tool, very much like the one that is on Windows 7, where you can basically with one glance see how much of a volume is occupied (graphical bar) and that for all mounted volumes. I have been looking for this, but so far I have not found it.Also, important: that it is auto updated. So that it is not like a report that was generated and then does not change anymore, but a live thing

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Networking :: How To Find List Of Multicast Addresses And Ports In Use?

Jan 7, 2011

How can I find out list of multicast addresses and port in use?"netstat -ng" only gives list of multicast addresses that have been joined, it does not give port number.I have several hundred servers running application that listens to several multicast addresses on different ports. I want to write an audit script and get the list of multicast address and port numbers.

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Networking :: Ifconfig Shows Two Ip Addresses?

Feb 5, 2011

I'm on Fedora core 14 linux. and I'm online with the HSPDA modem. My modem is /dev/ttyUSB0 and when it's dialed it creates the interface /dev/ppp0 , My question is when I hit ifcofig it shows two IP addresses in the ppp0 interface.


[nature@localhost ~]$ ifconfig
eth0 Link encap:Ethernet HWaddr 20:6A:8A:12:CF:53
RX packets:0 errors:0 dropped:0 overruns:0 frame:0


when I get the routing table, the gateway is setten to the and when I look my Ip address global I found it's

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Fedora :: Which Tool Can Use To Scan Ports

May 26, 2011

I will scan my ports which are open or closed.Which tool can I use to scan my ports.

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Fedora Networking :: Tool To Create Multiple Listening Servers On TCP And UDP Ports

Jan 17, 2011

Looking for a test tool where I can fire up any number of ports (TCP and / or UDP) to listen on.

I am currently getting my using nc but its only 1 port at a time (i know I can open up multiple sessions but thats cumbersome), it can't do UDP, and it closes at the end of the session.

A friend has suggested socat but it looks pretty much the same except it can do UDP, but also cumbersome, I have to manually output to a different file per port, etc.

Basically its so I can quickly test firewall and NAT rules.

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Ubuntu Networking :: Mii-tool Gives Error While Ethtool Shows Results?

Aug 31, 2010

I have upgraded to 10.04 from 9.10 after that, i get this strange issue.I have acutally asingned static address in the network manager applet.

mahiti@mahiti-admin:~$ sudo mii-tool -vv eth4
Using SIOCGMIIPHY=0x8947


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General :: Why Can't Traceroute A Host Outside LAN

Dec 17, 2010

naman@naman-laptop:~$ traceroute Name or service not known
Cannot handle "host" cmdline arg `' on position 1 (argc 1)

Then I tracked the IP address of on [URL] and tried

naman@naman-laptop:~$ traceroute
traceroute to (, 30 hops max, 40 byte packets
connect: Network is unreachable

I have to use my college proxy server to connect to the Internet. When I traceroute to a host within the LAN there is no problem. What should I do to be able to traceroute to a host outside my local network?

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General :: Average Number Of Hosts That Respond To Pings During A Traceroute?

Feb 27, 2010

I am a new learner. I need a simple scripts that compute the average ping time for hosts, and the average number of hosts that respond to pings during a traceroute. I have finished the ping part but I confused how to start the traceroute part

for host in $txt; do
echo $host

echo $( ping -c 3 $host | grep avg | sed 's@.*=@ rrt ave =@' | sed -r 's@ = [^/]+/([^/]+).*@= 1 ms@')

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General :: Traceroute - Error "Temporary Failure In Name Resolution Cannot Handle Host"

Feb 20, 2011

when i am using traceroute command, it is giving the erro as follow: traceroute [URL]: Temporary failure in name resolution Cannot handle "host" cmdline arg [URL] on position 1 (argc 1)

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Ubuntu :: Run A Traceroute On 11.04?

Aug 12, 2011

how I run a traceroute on 11.04?

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Hardware :: Multiserial Ports Identification / How Many Ports Are There

Dec 17, 2010

I'm writting an app for desktop and embedded linux and I need to get information about the multiserial port, and I need to know which port is been used (by a printer, por example).The multiserial I'm using is an Altera Corporation Device 0004, and I just need to tell how many ports are there and how many is been used.

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Networking :: Can't Traceroute To Anything In Ubuntu

Sep 1, 2010

If I traceroute to google, it hits my router and stops there. Generically, my Setup is this. AT&T Uverse residential gateway ---> wired to 54g router running tomato ---> wireless ethernet bridge to 54gl router running tomato in another room ---> wired to ubuntu and win7 box.

The ATT RG hands its external IP over the the 54g running tomato. the 54gl running tomato is a wireless ethernet bride in the den running the same with 2 machines wired to. The two machines are static IP to the first router, which does all DCHP, stuff like that. The Windows box is fine. The subnets are the same. What should I be looking at to figure this out? This is the only "network" issue I have come across.

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Ubuntu :: Difference Between 'tracert' And 'traceroute'

Feb 4, 2010

what the difference between the commands tracert and traceroute is? I need to run tracert as superuser, while traceroute is no problem in user mode.

Also, it appers like tracert is showing nodes completely different from traceroute:

sudo tracert
traceroute to (, 30 hops max, 60 byte packets
1 ( 1.078 ms 1.699 ms *
2 * * *


Another thing.. Is it correct to assume that hop 5 and 7 above are loadbalanced nodes? How should I interpret this result, is the traceroute initiating it's path three times? Otherwise it'd be rather strange as to display other addresses in the same node..

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Networking :: How To Read A Traceroute Readout

Jan 8, 2011

how to read a Traceroute readout.

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Networking :: Why Linux Traceroute Use UDP Instead Of ICMP?

Jun 22, 2010

Why linux traceroute uses UDP protocol, we have basic ICMP protocol which is used in MS-windows tracert.Any specific use of traceroute using with UDP,TCP than ICMP?Windows is displaying all HOPs address but linux printing *.*.*

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Fedora Networking :: Traceroute Doesn't Work

Mar 14, 2011

I am trying to traceroute to

When i do it looks like this


It does this no matter what site I go to. also the is the untangle server

The command does work for local Ips


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Ubuntu Networking :: Traceroute Gives Only Stars As Output?

Jan 25, 2011

When I try traceroute it only gives me stars as output. For example:

me@desk:/etc/udev/rules.d$ traceroute
traceroute to (, 30 hops max, 60 byte packets[code]....

It gives me some output when tracerouting to other computers within my network:

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Fedora Hardware :: Tell If USB Ports Are 2.0 Ports?

Aug 11, 2010

How can I tell if my USB ports are 2.0 ports?

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Fedora Networking :: Server Is Not Responding To The Traceroute Command

Aug 10, 2011

As i've installed the new fedora update packets ,i've seemed to develope a strange networking problem .. Network description Fedora 15 with 3 LAN adaptors eth0 > LAN (IP address > network connected to a pppoe conection eth2 > WAN to another provider. Ok so let's ignore eth2 because i've disable mangle(i was using trafic shifting on some ports). So now i'm using it as a simple NAT server .. so the problem is : >>my server is not responding to the traceroute command is it should .. the network works thou but this is what i get. C:UsersDUAL>tracert


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OpenSUSE Network :: Traceroute - Permission Denied For Root

Apr 8, 2011

As root I get the following result: ngssuse:~ # traceroute -nI

Note: the -i and -I options were exchangedfor compability with LBL traceroute Use -I for ICMP, and -i <ifname> to specify the interface name unable to create ICMP send socket: Permission denied. Is this a bug?

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Networking :: Split Routing - Traceroute Not Displaying Unrouted Hops

Dec 16, 2010

I've used from time to time, but never needed to register until now.An in-depth explanation of this issue is already described over here: [URL], so I will merely quote it again here - it seems nobody knows the solution over at Ubuntu's forums...:

Quote: I recently switched my home server from debian lenny to ubuntu maverick. I've managed to port all my configs and stuff and so far I'm very happy. There's one tiny thing that's griping me, that I never experienced before with debian's (older) packages/configuration... Here's the situation: My server dials up 2 pppoe (adsl) interfaces (different isp's) with split internet routes.

If I run a general traceroute to an internet IP, all the hops which are not routed via the same interface as the destination host/IP, will appear as "* * *" in the traceroute. This was never the case before and it would be preferred to see the IP's of all routers along the way regardless of whether they are routed... (I used to be able to see IP's like 10.0.0.x before through INTERNET traceroutes if they were hops along the way [IP's which would be unreachable if traced directly], and that's no longer the case) - isn't this kinda defeating the point of traceroute?


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Software :: Use Traceroute To View Hop Count Between Machine And A Specified External Host

Nov 3, 2010

I'm trying to use traceroute to view hop count between my machine and a specified external host but no matter what I give to it, it provides me the same output:


What am I doing wrong? Should I be disabling DNS caching? Is there a property I haven't set correctly? Just a small FYI, but I dual boot this computer with Win7 and it's tracert works fine. UPDATE: I also ran the command from a different network and it worked fine. I'm assuming I need a port forward then?

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Networking :: Connection Manager Shows Wired Connections And Shows Wireless As Being Disabled

May 2, 2010

My connection manager shows wired connections and shows wireless as being disabled. here is some terminal info getting wireless going?

Here is a bunch of things I have tried and the results.

nixon@nixon-desktop:~$ sudo ifup wlan0
Ignoring unknown interface wlan0=wlan0.
nixon@nixon-desktop:~$ sudo ifdown wlan0
ifdown: interface wlan0 not configured


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General :: How Virtual Addresses Actually Mapped

Aug 3, 2010

The command cat /proc/PID/maps shows the memory map (virtual addresses) of the process. How these address are actually mapped?

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General :: New Email Addresses Not Saved?

Dec 5, 2009

I have my email on a separate partition so that my email doesn't get destroyed when I do new linux installs (I have emails from 5 years ago now). I also keep my sylpheed email addressbooks. This partition is writable by anybody and I have also made my user the owner of this partition during each linux install (media/email). When I set up sylpheed I tell it that my email is in /media/email and then it is able to write incoming messages to that location. The problem I am having is that I make symbolic links for my addressbooks from ~/.sylpheed* to /media/email using this:cd ~/.sylpheed*rm addrbook-000001.xmlln -s /media/email/addrbook-000001.xml addrbook-000001.xmlSylpheed finds my addressbook ok on my email partition but changes that symbolic link to a file on ~ when it writes new addresses. What am I doing wrong...I want it to write new addresses to my email partition?

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General :: Using IP Addresses - Statics And DHCP

Sep 17, 2010

In school, use SUSE Server and made it by DHCP but in my hand I changed many rules. All are OK at the start but now they requested that they who are principal, and vice principals are want to use the Internet without filtering.

So I've made new rules by using Webmin software to control the SUSE Server. 1st I've gave static IP from LAN x.x.x.40 to x.x.x.45. 2nd IP is x.x.x.12 to x.x.x.15.

At First, there's nothing happen but now I've got problems because Server gave DHCP so that Server gives IP itself and conflict with static IPs. And also I can't find in Webmin software how to disable the DHCP Assign.

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General :: Printing Addresses On Envelopes?

Nov 18, 2010

I almost never boot windows anymore - but there is one thing I miss

In msword I was able to print addresses on envelopes and/or labels

I have not found that capacity on fedora 13 with Abiword and Open Office writer

Is it there seomwhere?

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