Ping is a mechanism to see if a remote host is reachable via an IP network

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Measuring latency to a firewalled server

The firewall in front of this server is blocking ping requests. Is is still possible to measure latency to this system? If so, how?
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Pinging same address multiple times

I am just wondering if it is possible to ping the same ip address from the same source multiple times (ie fast enough so they get pipelined) and still get a valid result. By a valid result, I mean ...
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Configuring TMG to allow a connection through the firewall

Here's the basic outline of the problem: I'm trying to ping from 192.168.0.2 to 192.168.10.2, but the ping dies on reaching 192.168.10.1. Obviously TMG is blocking it with the firewall. :) ...
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Why doesn't my server respond to ping?

I wonder why my server(s) don't respond to ping? Check this one: klusteranalytics.com $ ping klusteranalytics.com PING klusteranalytics.com (50.17.214.205): 56 data bytes Request timeout for ...
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Public hosts for ping

For my firewall scripts to determine whether my ISP is up I need a few reliable, geographically distributed addresses to ping. I could just use some major sites like Google, Akamai, etc. But that ...
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898 views

Why does ping flooding a domain name freezes and not a direct ip address

I am wondering why, when ping flooding a domain, the ping flood freezes after a couple of seconds then continues and this freeze, unfreeze continues until i stop the ping flood. When i do the same ...
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386 views

Negative growing ping on win machines

I'm having a WAN with several machines connected from a different country. All machines run win xp and while testing network it appeared that ping shows negative/positive and is constantly growing. ...
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How many failed pings are acceptable in a minute for a wireless network?

Quick question for you wireless gurus. If you ping a machine over a wireless network every .2 seconds, how many failed pings would be acceptable and "reliable" within a minute? This is an XP machine ...
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Is it possible for me to 'see' an incoming ping?

If I ping one of my servers from another server, is there any log or anything, a way to 'see' the ping from the other server on the target machine and identify it's source IP or something?
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Why can't I ssh or ping my brand new Amazon EC2 instance?

I just created a free EC2 instance with all the defaults. It says it's running in the AWS Management Console. On the "Instance Actions" menu, I click "Connect". I copy the DNS name provided (looks ...
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Wireless Access Point - Can't ping other machines on the wireless network

I have a wireless access point (Netgear), and I have it setup so that it has an IP address in the current subnet (let's say 192.168.2.0, subnet mask of 255.255.255.0). The machine that it is ...
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can't ping NT Server running on 2003 server

I have a Windows NT Server running on Virtual Machine on Windows Server 2003. Until this morning, all worked fine - I could connect to the virtual server through my program and all was well. This ...
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Network issues - Windows Server 2003

I am having network issues on my Windows Server 2003. I am running this test: I am pinging my server from remote location constantly (ping -t) I am pinging a stable web site from my server ...
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Ping fail between two servers on same subnet when other devices on subnet can ping the servers just fine

I have two Dell servers running Server 2008 R2 Datacenter Service Pack 1 with Hyper-V. For some reason, these two servers cannot ping each other (nor can the VM's on each respective server ping VM's ...
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2answers
3k views

Nagios check_host_alive and check_ping not showing host as down

I am using the check_host_alive command to send 5 packets every minute to all my routers at remote locations. I noticed today I received a notification from The AT&T Global Client Support Center ...
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Can anyone recommend utilities to measure response time of a Windows Terminal Server?

Users are currently experiencing performance problems when using RDP to connect to Windows Terminal Servers. Even users connected to the data centre directly on fibre link are experiencing problems, ...
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1k views

Cant ping ip on LAN. Port forward works fine though

I have a Solaris 11 machine running inside the LAN. It is a default install. I can access the machine and ping it if I ssh into my router (if it matters, it is running dd-wrt). I cannot ping the ...
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151 views

Windows Server 2008 ignores any change made to firewall

I have been trying for the last 2 hours to make my Windows Server 2008 answer ping. I have tried almost every single solution I have found on the web, so far nothing work. My current setup: 2 NIC ...
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Change how Nagios determines if server is offline?

I'm new to nagios and my server is on a network which does not allow the server to be pinged. Is it possible for me to check if the server is up another way? e.g via SSH or HTTP? How would I do this ...
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4answers
3k views

Ping Equivalent For Checking If A Port Is Open

How do I check if a port is consistently alive? For example, I could use ping 192.168.1.1 -t > results.txt This will ping 192.168.1.1 continuously so that I could monitor it. Is there an ...
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Sonicwall NSA 240, Configured for LAN and DMZ, X0 and X2 on same switch - ping issues

Our Sonicwall vendor supplied and networked the NSA240 when we required a DMZ in our infrastructure. This was configured and appeared correct although VPN users periodically dropped DNS and Terminal ...
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OpenVZ veth interface error

I'm trying to setup my openvz containers to use a veth interface. I have veth1.0 on the host node and I see eth0 in the vz. but when I do: ip -6 route add 2001:249a:aaa1:0000:0000:0000:0001:0001/112 ...
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Is it possible to ping through a NAT?

It it possible for a PC behind a NAT ping to a device that is on the outside of the NAT and get a successful response? (assuming the firewall permits it) This is a Cisco RV 120W router
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unable to ping hostname, but \\hostname\c$ works?

I'm having a strange issue on my initial lab setup. Situation: Host with OS Server 2008 R2 64bit, on this host a Virtual Machine in Hyper-V with OS Server 2008 SP1 32bit. The virtual machine has a ...
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Junior admin - how to discover/map the network to increase understanding?

I am a junior admin and have been tasked with gaining an understanding of the network. I know and use some of the servers on the network, so am able to tracert/ping them to see the names/addresses of ...
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314 views

DNS lookup working but nothing pinging

I have three forward lookup zones in my DNS server. When I try pinging a server that's part of lookup zone A from a computer that's part of that same zone, I get a response. If I try pinging a ...
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How much packet loss is normal?

I started monitoring our network using SmokePing. Users occasionally complain about bad network connections, but the problems went away after some minutes usually. I now wanted to get some more ...
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ping/ssh networking problem with server from 1 particular windows xp laptop

I am experiencing an odd problem with one specific server at my data centre connecting from my laptop. Basically the server is accessible from other machines in my house, but not from 1 particular ...
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322 views

Exclude pings from apache error logs (ran from PHP exec)

Now, for a number of reasons I need to ping several hosts on a regular basis for a dashboard display. I use this PHP function to do it: function PingHost($strIpAddr) { ...
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Can't Ping - Wireless network of home [closed]

This may seem like other ping problem, but I have tried a lot before posting it here. I have a linksys WRT54G - firmware v8.00.8. I have two laptops one windows vista (192.168.1.99) and Windows Xp ...
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3answers
7k views

Can't ping static IP from internal network, only from outside

I'm running ubuntu and I have apache running, however, I can't ping internally to my static IP nor browse http://207.40.XXX.XX the web server using my static IP. I can only ping/browse localhost, ...
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Hanging of host network connections when starting KVM guest on bridge

I've a KVM system upon which I'm running a network bridge directly between all VM's and a bond0 (eth0, eth1) on the host OS. As such, all machines are presented on the same subnet, available outside ...
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Can ping IP address and nslookup hostname but cannot ping hostname

On a windows 2003 server I can nslookup www.google.com which returns Server: localhost Address: 127.0.0.1 Non-authoritative answer: Name: www.l.google.com Addresses: 74.125.79.104, ...
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957 views

Ping from openvz VM is not available

This openvz box was working properly few weeks ago, and now it can't ping the outside world. I'm not expert on networking, and I thought the initial working setup will last longer. Another stange ...
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Wireless and hardline network

The networks I set up use wireless AP's connected both with hardline and wireless backhaul across a satellite for internet. I use a combination of Vivato, Engenius 2610's and MicroTik RB433's with ...
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5answers
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Computers on one subnet can't connect to the internet

I have an issue with my student computers - they can't connect to the internet. Here's the weird part: I open a command prompt and ping our gateway server, and suddenly everything is fine (at least ...
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248 views

ISP filtering traffic through proxy? Can't connect to private proxy using an IP address accept list

I'm trying to figure out why this computer can't connect to these private proxies I have. These proxies work with an IP address accept list. So, I've looked up the IP address on the ...
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5k views

Iptables: how to drop incoming pings from host but allow ping responses?

I am practicing with iptables and... I need a rule that will block a certain host from pinging me but will let me to ping the host if needed (so I need to accept ping responses right?). Can you help ...
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Disabling 'ping' response on Linux VPS

I have a openvz linux vps and am trying to disable requests to 'ping' to my VPS. How can i do this?
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Keeping rackspace vserver alive

It appears to me that rackspace somehow freezes cloud VMs after some idle time. This means the first page request to a php page takes much longer to respond than the subsequent requests. I am ...
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1answer
510 views

Cannot connect to virtual machine

I am working on Ubuntu machine, and created virtual Windows XP machine in Virtual Box 3.2 I cannot ping it. Regardless if I set virtual machine Network (in Settings) to Bridged or Host-only, I can ...
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671 views

why does tracert only report one hop on failure

I've been having an issue with one host on my network not being able to ping or tracert machines on the internet while all other hosts can. When I run a tracert from the machine I get the following ...
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Ping O' Death and iptables

Is there a simple rule that can be written to stop a ping o' death with iptables?
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FTP and ping getting blocked

I am having an issue where one host on my network cannot FTP or ping external sites but the rest can. My setup is with a single router with wireless and ethernet. With my host on the wireless I can ...
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328 views

Cannot connect to computers on same subnet

Newbie question. I have a motorola surfboard router and two computers running windows 7 64bit Pro. Both can connect to the internet fine, but they cannot see each other. I need to remote desktop from ...
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Ping fails: is a webserver configuration issue or not?

When I ping a dedicated ip on my server I get the following: ping XXX.XXX.95.175 PING XXX.XXX.95.175 (109.72.95.175): 56 data bytes Request timeout for icmp_seq 0 Request timeout for icmp_seq 1 ...
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How can I set a short timeout with the ping command?

I am trying to write a script that lists all the hosts on my LAN (there a about 20 of them) and writes the ping status next to each host. I have the DHCP leases file, so I have all the IPs (say, ...
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675 views

The website is unreachable while ping works ?

I have problems accessing my website www.egytex.com, ping to the site works and has no lost data but direct access gives me a no route to the server available !?? how could ping works if there is no ...
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Foundry switch doesn't ping

we have one foundry switches, but we cannot ping the switch, but the switch works well, and we can ping any other device connect to it! we reset the switch couple of time, but the problem still ...
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Can you control the host information returned by ping?

I see that pinging my domain returns "n bytes from xyz.members.linode.com", which gives away too much for my taste. On the other hand, I've pinged plenty of domains that just return ...