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

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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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1answer
146 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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3answers
4k views

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
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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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1answer
269 views

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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381 views

Can View Website on Localhost and By IP on machine but nothing from other machines

I have a centos apache2 webserver which is running and I can view the localhost website from localhost or by http://192.168.0.167 (its IP) through a browser on the machine itself, but if I try to view ...
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4answers
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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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3answers
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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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2answers
295 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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452 views

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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1answer
304 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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2answers
407 views

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
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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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2answers
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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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1answer
908 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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1answer
182 views

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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1answer
241 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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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
509 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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2answers
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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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304 views

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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3answers
327 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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2answers
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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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3answers
638 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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2answers
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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 ...
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LCMS machines are pinging random computers on company intranet

we have some LCMS AGILENT machines set up in our lab. for some reason they are pinging random computers in our company. every now and then someone on our network will get a windows firewall ...
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When I ping Internet addresses like yahoo or Google, I get 2 reply packets and 2 lost packets

I have Airtel broadband and a Tata broadband connection. i have around 50 PCs connecting through an airtel broadband connection. Both are dsl connections with my phone line going into dsl modems and ...
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2answers
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How to ping eth0 from eth1 on my linux machine?

I have a linux machine with 2 ethernet ports(eth0 and eth1). eth0 is connected to a router which assigns it an IP address 192.168.1.2. eth1 is connected to a switch which doesn't have an IP. How do I ...
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VMWare/VirtualBox: Ping don't work in Host-Only network adapter from windows host to linux guest

Scenario: Windows host running XP SP3 (Virtual) Ubuntu Server 10.04 (fresh install, only selected "LAMP Package" option during installation. Tested on VMWare Player / VirtualBox I can ping by ip ...
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Win7 VM @ ESXi Server @ VMWorkstation (Win7) - ping works only from VM -> HostOS, not vice versa

right now I'm toying around with VM Ware stuff and not having any pcs then my laptop I decided to run an ESXi Server inside of VWmware Workstation. I was just curios to see if the server would allow ...
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Differences of the TTL value in Tracert and Ping

When I ping localhost on my Windows XP system, the TTL value returned is 128 and it shows me that the default TTL value in the ping for my system is 128. Then when I ping google.com the returned TTL ...
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249 views

Why does this IP not return a host name?

I can successfully ping 77.244.226.204 but it will not return a host name. Why not ?
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Default Firewall Rules on Windows 2008 Standard And Enterprise Edition Different?

Are the default firewall rules for Windows 2008 Standard Edition and Enterprise Edition the same or are they slightly different? Specifically, is PING disabled by default on Windows 2008 Enterprise ...
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How do you stop PINGs from causing a DOS on a Linux server?

Have a CentOS-5.x box that appears to be going down as a result of PINGs. If the server gets PINGs it stops replying to ssh/http connections. Appears iptable is one approach, but I want to make sure ...
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3answers
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EC2 instance suddenly refusing SSH connections and won't respond to ping

My instance was running fine and this morning I was able to access a Ruby on Rails app hosted on it. An hour later I suddenly wasn't able to access my site, my SSH connection attempts were refused and ...
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Windows Server 2008 machine only responds to PING from some machines

I have a colocated Windows Server 2008 machine that replies to PING from some machines but not others (not most machines). I'm not sure where to start to diagnose what the problem is. The server is ...
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Why slow (500-4500ms) ping times to google.com over Wi-Fi?

I regularly get ping times (to google.com) on my netbook over wireless (802.11) of: 500-4500ms for about half the time 100-150ms for the rest of the time. It seems to switch back and forth on the ...
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1answer
342 views

network bonded machine has occasional ping problems outbound but never inbound

have been redirected from stackoverflow.com We have a Suse Linux 11 server with network bonding which we named DBSERVER. With the following script running on another similar machine named ...
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Enable PC behind router to be pinged

I've got a Windows 7 PC running a webservice accessing the internet through a standard router. I forwarded the required ports in the router accordingly and was able to use the service successfully ...
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2answers
6k views

Anyone know of a free flood ping utility for Windows? [closed]

Does anyone know of a free ping flood (some people call it flood ping) utility for Windows? I want something portable that I can install anywhere. I use ping flooding to primarily test for packet loss ...