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Questions tagged [traceroute]

traceroute traces the route taken by packets over a TCP/IP network. It is used as a network debugging tool to show where packets are being lost along the route.

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TCP Traceroute in Python- getting stuck

I am writing a python traceroute that send TCP SYN probes and my script seems tog et stuck on a certain hop every time. How can I use threading to listen for both TCP and ICMP packets and have an output like that of TCP traceroute. My program…
JoshM2000
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Is a websites downtime a DNS problem if you can ping and traceroute the domains successfully?

I've been with a web host for 10 years and their hosting is good. I have 12 clients hosted on one account, all with low traffic. I upgraded to a better package as mine was being phased out. They promised no downtime. It's now almost 48 hours and…
zensurf
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Is possible to make Javascript/Jquery traceroute for cordova app?

I'd like make cordova app in javascript with traceroute to another ip/domain. I can detect my IP in device with server side script in PHP which gives me back my IP address to my javascript app script. But is it possible to trace my server or another…
buffy.cz
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traceroute: unknown host and whois with unknown registrar

I have a domain, originally from GoDaddy, eventually transferred to AWS; it's under Registered Domains in Route53. The status is "clientTransferProhibited", which is one of the "ok" statuses, and the domain is not yet expired (good until 2020-07-12)…
alexakarpov
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Cannot connect using ssh, but open ssh clients still work

I am trying to diagnose a strange network problem with my server: I cannot connect to it using ssh (I get "connection refused"), but, I have some ssh clients that are already open on it from several hours ago, and they work fine. Also, on the same…
Erel Segal-Halevi
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Traceroute giving wrong country on AWS

I have an AWS server with availability in EU West (Paris). IP: 35.180.120.0 Public DNS of server: ec2-35-180-120-0.eu-west-3.compute.amazonaws.com When using visual Traceroute, the final country shows USA not France. There also seems to be a large…
James
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aws traceroute btw two ec2 returns ***as first hop

I tried to traceroute from one ec2 to another ec2 and found that the first hop is [centos@ip- ~]$ sudo traceroute -T 13.114.151.20 traceroute to 13.114.151.20 (13.114.151.20), 30 hops max, 60 byte packets 1 * * * 2 …
tesla1060
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Filtering the output of ping with cut

I'm having trouble with my internet service provider. Despite having set up a smoke ping server that clearly shows that there are intermittent spikes of latency with packet loss, they have asked for traceroutes to each of the smokeping servers…
jerk
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What's a traditional route data travels across the internet?

I'm trying to get my head around traceroutes and why data travels between routers the way it does. From the research I've done I have found what seems to be a typical route (below). Would this be considered a typical route for data to travel? Your…
SamSteez
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How can MTR scriptly tracroutes multiple hosts ( one network )?

As picture showed above, since mtr can only traceroute one host once, how can I "scan" the whole network (172.16.0.0/16) and find all the hosts which only got 2 hops, with a script? Thank you.
user1150125
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traceroute why does ICMP ECHO work

I'm really confused on how traceroute works, I read online that Traceroute uses ICMP messages and TTL fields in the IP header for its operation and transmits packets with small TTL values. I did test 1: traceroute <"domain"> traceroute was never…
Karno
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Traceroute on Linux doesn't work properly

I am trying to find out how many hops are required to reach google.com using traceroute. Traceroute's output is always the same. My command: traceroute google.com Output: traceroute to google.com (194.249.4.237), 30 hops max, 60 byte packets 1…
Luki
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Why does traceroute reach destination in spite of intermediate hop timeouts?

When traceroute times out on intermediate hops, how is it able to continue on to the destination as follows? [root@localhost network-scripts]# traceroute -I www.google.com traceroute to www.google.com (216.58.196.228), 30 hops max, 60 byte packets …
TokyoMike
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Powershell - Custom Tracert

Tracert output: 1 4 ms 5 ms 3 ms 192.168.32.254 2 <1 ms <1 ms <1 ms 192.168.39.238 3 1 ms 1 ms 1 ms 10.88.8.122 4 2 ms 2 ms 1 ms 10.88.234.70 5 1 ms 1 ms 1 ms 10.88.246.137 6 1…
ovdemonz
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How to run a program with a URL or IP address parameter?

I want to run the traceroute program with a URL parameter (eg bbc.co.uk), and also a IP address (eg 134.170.188.221) but i'm at loss. Do I just type 'traceroute bbc.co.uk'? Also an explanation of the output would be great.
user6292410
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