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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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Linux default gateway wrong?

I deployed a VMware vCloud appliance and before deployment I'm asked to enter the IP addresses this appliance should use and the default gateway. This appliance has 2 IP addresses and nics by default and they should be in the same subnet. So the…
Gabrie
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can not receive ssh connections from outside my ISP

I have a ISP that provides me only the ports after 1024 so I forwarded the port 1665 to receive ssh connections. Using the WAN IP they provide me I can only get connections from users from the same ISP. This looks like I am kinda "trapped" in a big…
Felipe Lincoln
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LAN static lease for Hyper-V VMs

I have a question about reserving IP addresses for VMs that run on my laptop. In this case, my laptop serves as a switch. But the thing is, how can I lease a VM an IP address in my LAN by MAC, as all of the VMs are sharing the same interface => the…
Abraham
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Is there a way to force SQL Server Network Configuration to recognize new IP addresses without full restart?

I added a new IP address to my server (Windows 2016). But I'm unable to see this new Ip address in SQL Server Network Configuration. Restarting SQL services didn't solve anything. I guess rebooting the server would work, but is there any way around…
renegm
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AWS Certificate Manager: Get SSL certificate for IP for IP adress instead of domain

Is there a possibility to get or use a SSL certificate in AWS Certificate Manager for a public IP instead of a domain name? I need a SSL certificate for my EC2 server on AWS, but I don't want to register it under a domain name right now.
Sir hennihau
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Command line based IP traffic generator

Does anyone know of a command line based traffic generator which can produce IP traffic so that we cant test QOS feature on DSL modem . It would be good if we can set the dscp marking in the IP packet . Curently we are using Iperf but we can't…
Vidya
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Weird TCP/IP behavior on Linux server as well as enterprise Firewall on port 21

This is a tricky one. TL;DR: 1) Client establishes TCP handshake with the firewall on (closed/unavailable) port 21, even though firewall does not respond to client's SYN packet. 2) Client sends 1 SYN packet (no retransmit), firewall sees 3 SYN …
PoJam
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How to make outbound requests through wireguard while provide web services on the same server?

I want to make outbound requests through wireguard while provide web services on the same server. It means if there is a request reach ens3 , the response will return the same way. But if I make a request on the server, it will through…
maP1E bluE
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Change IP to domain name on linux

All, How is that we can convert an IP to a domain name address on linux machine. Suppose i always access my Pc with http://127.0.0.1 from the browser I want to change this to my.com Thanks....
Hulk
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Debian 10 bonding + bridge noIPv4 for kvm guests

I've a big problem with my fresh Debian 10 Installation on my root server at home. I use 2 of the NICs connected to my switch as "bond0" and now I want to add a bridge "br0" for my kvm guests. I don't want to assign an IPv4 adress to either "bond0"…
en1cc
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How do I set up IP over FC on OpenSolaris / Illumos?

This article implies that it's easy, but gives no details. I have a double QLogic card in my OmniOS server, connected via two fibre-optic cables to SFP adaptors in my Procurve switch. What I would really like is to aggregate the two connections so…
Michael restore Monica Cellio
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Can you use a VPN setup on MachineA from MachineB by setting up a static route on MachineB?

I have a PPTP VPN running on 'MachineA' (set up in Routing and Remote Access) to connect to a customer site. I have tried to create a permanent route from MachineB with MachineA as the gateway, but I'm unable to ping any servers at the customer…
NickG
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Proxmox VM can't ping outside but host

I'm trying to configurate my proxmox but something is faulty and I cannot see what really it is. I hit almost every google search result and almost every post on the forum and still can't see what the **** am I doing wrong. I have the following…
JustDevZero
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Configuration to use choose the hardware interface for the request?

I have a linux machine (Debian 10 based OS), with 3 hardware interfaces connected to the internet, 2 being USB modems: ifconfig gives -> eth0: flags=4099 mtu 1500 ether b8:27:eb:95:a0:2c txqueuelen 1000 (Ethernet) …
Ernest Dujo
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Is 127.0.0.1 OK as an IP for local development across Windows/OS X/Linux?

I'm building a tutorial (Flask web development) that students work on using a variety of operating systems. I'm mostly an OS X user, so I obliviously configured the app host to be 0.0.0.0:5000 and then tried updating a Windows hosts file only to…
cs_stackX
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