Why Can Ping And Tracert? But Can't Access

Aug 20, 2009

A website,which i can't access,but i used the ping and tracert instruct. the result tell me the IP and route is right.later,a use a Proxy site to access that site,it can. who knows the reason?

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Ping & Tracert Fine, Then Why Cannot Find Server?

Jan 4, 2007

I have a problem with one of my domain. Some users around the world cannot access the website, but they can ping and traceroute the server without any problems. I am able to access the website perfectly.

Site URL is www.djluv.in

And we are using IPB 2.2

Moreover if theres another domain on the same server, they can access it.

There are about 25-30 users who are facing this problem, but from different part of the world so I cant even say ISP problem.

APF has been shutdown, no Ban Filters on IPB or cpanel.

What are the possible reasons why they couldn't access the website? how to fix the problem?

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Access All Sites On A Server Except One (can Ping)

Sep 12, 2008

I got this domain hosted on my server where i can't ping or trace it. Every setting seem to be correct, the ip address, name server...etc. and other websites hosted on the server is working fine. i can reach other websites with no problem but not this domain.

how do i trouble shoot such problem? would deleted the website and recreate solve it?

has anyone ever come across such strange problem?

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Ping Result Is Fine But Can Not Access My Site

May 29, 2008

I can login to my site or it is extremly slow.


what is happening to my server? it is because of network or something else?

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15ms Ping Vs 40ms Ping Vs 170ms Ping

Nov 2, 2008

15ms ping vs 40ms ping vs 170ms ping

Which you think is still acceptable for a website?

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Can't Access Ping Or Access SSH

Apr 30, 2009

I'm having trouble with a vps and the ips won't ping and can't connect via ssh.

I can via hypervm console when I run apt-get update but it doesn't download anything.

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This Tracert Possible?

Apr 27, 2007

A client of mine claimed he had connection issue with our server and send this tracert from his office

<1ms <1ms <1ms XXX.XXX.XXX.XXX (His Internal IP)
* * * Request Time Out
* * * Request Time Out
* * * Request Time Out
* * * Request Time Out
* * * Request Time Out
* * * Request Time Out
* * * Request Time Out
39ms 23ms 30ms XXX.XXX.XXX.XXX (Our Server IP)

Is such a route possible in the first place? Our gateway isn't mask.

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LEVEL3 Tracert Problems Anyone Else?

Apr 10, 2009

Am I the only one seeing how pathetic LEVEL3 has been lately?

My route from the Gulf Coast to ATL then to Dallas has been up and down up and down with LEVEL3's network. I swear that every time the wind blows their routers are having issues........

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Tracert And Lag Times With Site

Mar 8, 2006

I've recently moved server and since then I've had a problem with the main site I administrate. The problem is that when I'm moving around the site I frequently get long lag times between clicking on a link and getting to that next page. This isn't slow transfer speeds - the status bar shows 'waiting for xxxx' for sometimes 15 to 20 seconds. The site makes quite heavy use of a MySQL database and associated forum software.

It was suggested I did some tracerts to see what that showed. The thing is I don't know what the significance of tracert results are! It seems to show lots of timeouts - but then it shows lots of timeouts when I try it on other sites as well, which don't have the same lag problems.

I have no reasons to think it's my host, who are really good and responsive. But my ISP says it's nothing to do with them either. If the routing is a problem, where lies the responsibility for selecting the routes between me and the server to my site?

I'm hoping this is just the link between me and my site, as other site users don't seem to have had a problem yet. I'll post a couple of tracert results in case anyone is able to advise me on what their significance might be.

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Can Ping But Cannot Go In

Jun 6, 2008

My server DC technician change the cable to another switch in another rack. all in sudden, my server went 'offline'.

the weird thing is,
I can ping the server IP

When I plug my KVM,
I can ping google.com from my server

But when I lynx google.com, it keep saying
HTTP requests sent; waiting for response._

When I open my putty and SSH, it keep waiting.

When I try to ssh from another server, it keep waiting
$ ssh school@xxx.xxx.xxx.xx
[nothing happen]
$ ping xxx.xxx.xxx.xx
PING xxx.xxx.xxx.xx (xxx.xxx.xxx.xx) 56(84) bytes of data.
64 bytes from xxx.xxx.xxx.xx: icmp_seq=1 ttl=63 time=1.10 ms
64 bytes from xxx.xxx.xxx.xx: icmp_seq=2 ttl=63 time=0.864 ms
64 bytes from xxx.xxx.xxx.xx: icmp_seq=3 ttl=63 time=0.854 ms

- I can ping my server from MS DOS
- I can ping my server from Iptools.com
- I can ping my server from another server

- I cannot ssh into my server
- I cannot ssh into my server from another server

Inside my server..
- I can ping google.com, yahoo.com, other servers
- But I cannot lynx and open all websites

When I restart network, it shows [refer attachment] captured from my KVM

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What Is PING?

Oct 23, 2008


Whats that?

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IP (ping)

Feb 5, 2007

after my server down, i ask for reboot then the server up again.

but i cant access SSH via my main ip, but i can access SSH via second ip. when i ping main ip, all is request time, but my second ip can ping.

ok main ip cannot use, so i use second ip the main problem come i cant do yum update kernel, will show this error


Setting up Update Process
Setting up repositories
Cannot find a valid baseurl for repo: update
Error: Cannot find a valid baseurl for repo: update

when i try run socks5 proxy in my server, it running, but when i use it for my personal pc, the socks5 it not run....just show proxy is offline.

when i do wget some direct links

it always show, but never download


[root@xxxx ~]# wget ftp://ftp.is.co.za/mirror/centos/4.4...4E.12.i386.rpm
--11:39:24-- ftp://ftp.is.co.za/mirror/centos/4.4...4E.12.i386.rpm
=> `squid-2.5.STABLE6-3.4E.12.i386.rpm'
Resolving ftp.is.co.za...

so i try to go check resolv.conf, but don have problem, my other 2 same server also dont have problem with this dns server.

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Ping My VPS

Jan 13, 2007

I just moved from PowerVPS to EuroVPS, being located in Europe myself, and was of course hoping for much better ping times. Also EuroVPS advertise themselves with a 30ms ping to most of Europe.

Anyway after my VPS was installed I compared the pings:EuroVPS ( average ping: 335ms
PowerVPS ( average ping: 129ms

335ms is of course ridiculously high, and after writing them a support ticket they told me it's probably a latency problem with my ISP

Can you please post the ping you get for (preferably people located in Europe)?

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Plesk 11.x / Windows :: How To Limit Access To Few IP Address To Access Port 8443 On Firewall

Aug 28, 2012

How can I allow only one ip or a list of ip addresses to access port 8443.I need to limit access this port to few ip addresses and not everyone

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Ping In Nagios

Mar 25, 2009

I have configured Nagios on my network 10+ Servers (Linux+Windows) now when i check through http://localhost/nagios everything is ok but only ping command is giving following message :-

bin/ping -n -U -w 10 -c 5 x.x.x.x
CRITICAL - Could not interpret output from ping command

and mail me "server down " message

So what is the issue ?

I am able to run this command through command line

./check_ping -H {server} -w 100.0,20% -c 500,50% -p 5
PING OK - Packet loss = 0%

./check_ping -H x.x.x.x -w 300.0,80% -c 500.0,100% -p 5
PING OK - Packet loss = 0%

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OpenVZ - HN Can't Ping VE

Jul 13, 2008

I'm running my own OpenVZ server with a few VPS's running on it and have a small network issue.

I can't ping any VE from the HN. All the other networking is working ok (strangely I can ping the HN from the VE) apart from this. It's a simple setup with one network card connected to the internet.

OpenVZ the latest stable version running on CentOS 5.2

I'm pretty sure it's not a firewall problem but is something to do with arp or routing and one of the settings in sysctl.conf

Has anyone else seen this?

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Better The Ping The Better The Host

Feb 10, 2009

Does it matter?

I did a few tests

Pinging lunarpages.com [] with 32 bytes of data:
Average = 191ms
Pinging hostmonster.com [] with 32 bytes of data:
Average = 191ms
Pinging godaddy.com [] with 32 bytes of data:
Average = 175ms
Pinging rackspace.com [] with 32 bytes of data:
Average = 150ms
Pinging siteground.com [] with 32 bytes of data:
Average = 148ms
Pinging hostgator.com [] with 32 bytes of data:
Average = 147ms
Pinging ipowerweb.com [] with 32 bytes of data:
Average = 113ms
The pages load really fast @ ipowerweb

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Ping Tests

May 5, 2009

i've only ever used pings to test if a host is up or down.

But what other information am i looking for in ping tests. For e.g., the time in ms the TTL etc etc?

How can i test pinging my server from different locations around the world?

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Ping Problem In Vps Xen

Jul 8, 2008

i install one xen guest ( centos5)

i run yum update and result is :
-bash-3.1# yum update
Loading "installonlyn" plugin
Setting up Update Process
Setting up repositories

Could not retrieve mirrorlist http://mirrorlist.centos.org/?releas...86&repo=extras error was
[Errno 4] IOError: <urlopen error (-3, 'Temporary failure in name resolution')>
Error: Cannot find a valid baseurl for repo: extras

i use of middle config :
/etc/sysconfig/network-scripts/ifcfg-eth0 TYPE=Ethernet
ONBOOT=yes /etc/sysconfig/network
GATEWAY= /etc/resolv.conf (DNS resolver)


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Ping Is Down, Http Is Up

Jul 23, 2008

My sites are up when I go to http and there is no slowdown but my monitors (panopta and pingdom) say that there is an outage in ping (only in ping, http is up). I tried pinging the server and there are packet loss up to 100% but the site is still up. I also used other online pinging tools (all-nettools.com, dnsstuff.com, etc.) and host unreachable.

I tried contacting the provider but they say there are no network problem at this time. So I found this other site that's also hosted on the same provider and I can access their site but fails on ping.

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Selinux (ping)

Jul 26, 2008

My server ping keeps disconnecting

However my ssh & website is smooth running!

When i type "service iptables stop", the ping runs just smoothly.

I have CSF installed in the server, like any other server using default configurations. I believe it has something to do with selinux? (or not?)

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Oct 26, 2008

i think 216.245.208.x and 216.245.215.x DOWN, but limestonenetworks tell me :"problems well outside of our network, and I would highly suggest contacting your ISP for support on this matter" ....

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Apache Ping

May 27, 2007

Must an IP address have to be pingable for apache to be seen.

I've set up an apache server at home and I noticed that if I block ping requests, no one can see i externally.

If I enable ping requests people can visit my site/server.

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Cannot Ping Ssh To Other Server

Mar 11, 2007

I have 2 CPanel servers. I wanted to transfer multiple accounts via WHM but it gives me error that I cannot SSH into the other server.

I tried to ping the 2nd server from 1st server and it gives me:
root@s [~]# ping xxx.xxx.xxx.7
PING xxx.xxx.xxx.7 (xxx.xxx.xxx.7) 56(84) bytes of data.
ping: sendmsg: Operation not permitted
ping: sendmsg: Operation not permitted
ping: sendmsg: Operation not permitted
ping: sendmsg: Operation not permitted
cping: sendmsg: Operation not permitted

I added both server IP into allowed list inside my APF firewall on each server as well.

I rebooted both server earlier before, but it is still not solving my problem.

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Ping Request

Jul 25, 2007

Can I have some of you ping 24fans.net and let me know what your results are? Also where you're located would be good.

My ISP is being crappy and my dsl line is basically down ever few minutes. They're supposed to fix it tomorrow.

My current results are:

Reply from bytes=32 time=66ms TTL=51
Reply from bytes=32 time=59ms TTL=51
Reply from bytes=32 time=65ms TTL=51
Reply from bytes=32 time=58ms TTL=51

This doesn't really have anything to do with my dsl being crappy, but rather I'm just curious as to what kind of responses people are getting around the world.

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Can't Ping To The Server But Can Log In Ssh

Jun 21, 2007

I have a problem with my server, that i can't not ping


[root@server apf-0.9.6-2]# ping yahoo.com
ping: unknown host yahoo.com

But i can log in the ssh. i just installed apf, i check conf.apf to made sure there are port 80, but it still can't ping.

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1and1 Server Ping

Oct 7, 2009

So I'm wondering what if anything I can do to get a better ping from my 1and1 server.

It's located in Wayne, PA and my ping floats around 70ms and I'm in South Lake Tahoe, CA. I only ask because there are servers with Peer1 hosted in New York, NY that give me a ping around 20ms.

Thanks for any help or advice.

Its a Windows Server 2008 Web Box.

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Ping And Traceroute Executables

Aug 13, 2008

I installed net query tool from this site

They say in order for ping and trace to work, you must chmod those executables on the server itself to 755. Is this safe or a security risk? The odd thing is, ping and trace works fine from dnsstuff.com or any other network tool site.

What is the location of those executables?

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Ping In Vlans Not Working?

Aug 10, 2008

I have two servers both in a same vlan. Both may access Internet and be acceessed from Internet I setup db server and web server internal IP each as follows:

step 1: on web server:

vi /etc/sysconfig/network-scripts/ifcfg-eth0:0

add following:


save and /etc/init.d/network restart

step 2: on db server:

vi /etc/sysconfig/network-scripts/ifcfg-eth0:0

add following:


save and /etc/init.d/network restart

I used ifconfig to check both status, both of them are up. both of them may ping google, but when I try to ping their each other through internal IP, nothing returns.

I used command tracert to follow, found all packages were sent to Internet rather than an internal IP.

My host tells me to do it by making NAT, I have no idea on it. Anyone may help me out on how to do with NAT?

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