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Questions tagged [ip]

IP - Internet Protocol, the most commonly-used set of rules for dispatching data across a large computer network.

IP (Internet Protocol) is a protocol which encapsulates data for transit across the Internet and encodes its source and destination addresses, among other parameters. It implements the network layer (layer 3) of the OSI model.

Questions related to IP (addressing, routing, and protocol issues) fall under this tag; questions merely containing an IP address do not.

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Force dhclient to always provide a unique IP from the available pool

I'm running RHEL 7.4 and the dhcpd is controlled by DD-WRT off my router. Tried to use: dhclient -r; dhclient -x; rm -f /var/lib/dhclient.leases; ip a; dhclient -v but it either returns the same IP or one of two IP's. I couldn't get it to return…
xBlender
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Unabe to release unused External IP addresses on GCP

I am using google cloud for 1.5 months, one issue I am facing, where I am unable to release few of external IP addresses on GCP console. only message appears on clicking release IP "Releasing of IP addresses failed." When I go to Google support,…
user511014
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angry ip scanner reports differnet hostname and computer name on a domain?

did a quick sweep of a network this morning and i am getting different hostname to computername in the list. this is a domain with a DC in there. it has active directory integrated dns. if you use nslookup to find names there are no issues, but if…
dasko
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Subnetting, starting from a given address

I feel I understand general subnetting overall, I can answer any questions that the site http://subnettingquestions.com/ gives me but I seem to have a understanding gap some where. Say an ISP gives me an IP address range to use, ex: 165.48.10.1 -…
Esteban
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Automatically ban IP addressed using rule based on GET request

I'm setting up my first website on Ubuntu 18.04 using Apache and I've noticed the following in my apache error log on a daily basis: 94.102.49.125 - - [07/Feb/2019:11:32:55 +0000] "GET /muieblackcat HTTP/1.1" 301 555 "-" "-" 94.102.49.125 - -…
Jed
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Debian 9.7 - Add additional IP address. Different methods - advatages and disadvantages

I have dedicated server from some well known hoster and I bought new ip. I try to figured out what are advatages and disdvatages two methods of finish this task on debian 9.7 1) first method - which I found in hoster manual is to add two lines to…
kafebiwa
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How To Set Up Hyper-V Nested Virtualization in the Linux (include how to use the same IP and different port)

Question list as below: How to create nested VM? How to setup VM Hardware in the dashboard? How to use the same IP address and the different port number PS: I still have been trying some ways that are okay to deal with my problem and I…
Willie Cheng
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virtual network manage multiple ip

I have an Private Virutal Server with two ip. Th OS is Ubuntu 16. I would like to allow only* the ports 22,80,442 on the first ip and Allow the ports 12301,12302,12303,12304 on the second ip. How I can do this ? is there an command or a file to…
user2699190
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Tomcat localhost private ip link is not accessible by another PC in same network

My PC has the IP 192.168.1.185 The URL http://192.168.1.185:8080/projectname is not accessible by another computer in the same network having the IP 192.168.1.135. I have disabled IIS already through which the link was accessible. But Through tomcat…
Shreeya
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Change Of External Static IP – Two Servers Connected

I’ve recently come to manage the IT at a small organisation and am in the process of figuring out their setup (they previously outsourced IT work). They have a main server (running Windows Server 2008 Standard) at one office and a second server…
Lex1con
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network (with defined IPs) in another network (with DHCP) - connection issues

We develop a client-server application where the server needs to be available with a known IP-address. Therefore, we configure router and PC with defined IP-addresses. This works fine, as long as everything is at the customers place. If the…
tomwaitforitmy
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Routing traffic between two subnets

I am connecting some number of embedded linux devices to a main LAN using a DHCP server and routing tables. On the main LAN (192.168.1.0/24) I have a PC connected and the first embedded linux device. The embedded linux device has two ethernet ports…
Taylor Spencer
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Ip and secondary ip sometimes doesn't repond to ping

In order to have a virtual ip, I sometimes add another IP for my interface enp2s0f0 using # ifconfig enp2s0f0:1 192.168.201.33 up I also send a gratitus arp in order to publish the new ip of the device. I've noticed that the device answers to…
hudac
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Connect over SSH to server running OpenVPN client with ip tables: "Nexthop has invalid gateway"

I tried to follow the solutions listed here for being able to continue SSH connections after connecting to an openvpn client: https://www.linode.com/community/questions/7381/openvpn-client-connected-to-a-server-while-listening-to-ssh with the…
forTruce
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Use secondary IP as outgoing IP on SOCKS5 traffic that uses this IP

I have a server that runs OpenVPN on it's primary IP. There is also a second IP I connect to using SSH as a SOCKS5 setup like this: ssh -C2qTnN -D 1337 me@ I go to whatismyip.com from each connection and I want to see the primary IP…
stone.212
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