Questions tagged [arp]

Question 1

Is it possible to discover the IP address used by a remote host, if its IP range is not known? Maybe using ARP? I have two PCs connected via direct cable (no switch); I forgot the IP range used by the ...

Question 2

I have a shell script on my linux computer that has these arptables command; $ cat arptables.sh mac_address="AA:BB:CC:DD:EE:FF" arptables -P INPUT DROP arptables -P OUTPUT DROP arptables -...

Question 3

i have a single server which two VM(ubuntu) configured as ubuntu-edge(with frr module for routing - wan side) and ubuntu-fw(for lan side), between these machines there is a virtual internal interface. ...

Question 4

I have a web managed switch on my network. It is connected to a router, along with the host PC i am on. I cannot ping it through the router. Router is Fedora server. the router's applicable interfaces ...

Question 5

I'm using the following nmap command nmap -sP 192.168.1.0/24 | awk '{print $1}'`| awk '/Nmap scan report for/{print " "$5,$6;}/MAC Address:/{print $3;}' which outputs box1.lan (192.168.1....

Question 6

I'm using a fresh minimal Ubuntu server 24.04.1 LTS install. I run these commands as root to set up networking and do some experiments: apt install -y netcat-traditional tcpdump inetutils-ping ip ...

Question 7

I have Many server booted up to Debian 12 connected to a common switch. All I know is their BMC Macs and bmc passwords for each unit(all of them not from same manufacturer). Is there a standard way to ...

Question 8

The following is my stripped down ARP ruleset, only broadcast rules are shown, other rules (not shown here) are not relevant. Please see code comments that are questions (?) #!/usr/sbin/nft -f add ...

Question 9

I’m trying to configure ip (static, so without dhcp), there are some problems that I can't resolve by my self, because I do not understand it in a whole. Sorry if it is already answered, but as I said,...

Question 10

I'm trying to implement a way to prevent network scans from my notebook. One of the things I want is to allow arp request to specific hosts, like my gateway. I added some rules using arptables and ...

Question 11

I have Linux device running 4.14.7 kernel. My device-A is directly connected to third-party device(Device-B) over 1Gig port. A UDHCPD server runs on dev-A which always assigns single IP address as per ...

Question 12

I tried to use ncat command to 2 diff unknown IPs from a CENTOS 7 (linux) terminal. [abc@localhost ~]$ ncat -zv 10.11.78.5 22 Ncat: Version 7.50 ( https://nmap.org/ncat ) Ncat: No route to host. [abc@...

Question 13

#!/usr/bin/bash echo "Give me your private IP and its mask";read given if [[ "$given" =~ ^([0-9]{1,3}\.){3}[0-9]{1,3}/{0,1}[0-9]{1,3} ]]; then echo "version 4" ...

Question 14

I am using KVM Qemu in Kali linux host, and trying to practice ARP spoofing. In the Kali linux (which is connected to wired ethernet network), I have set up the following configuration (from tutorials ...

Question 15

I have successfully turned my Raspberry Pi into a WiFi access point, but I'm having trouble getting notifications when a new device connects or disconnects from it. Specifically, I would like to ...

Stack Exchange Network

Questions tagged [arp]

Can I find the IP address used by a remote interface, if its IP range is not known, maybe using arp?

Why does including --opcode command in arptables work on wifi router 1 but not on wifi router 2

ubuntu arp problem with who-has x.x.x.x tell y.y.y.y

How to get router to respond to ARP requests from switch so i can manage it

get connected lan hosts via arp and output on single line

Why does a network interface need to have a routing table entry configured to answer ARP requests?

How to Get All Network Interface IP Address using BMC/IPMI

Why is 00:00:00:00:00:00 address used instead of broadcast address ff:ff:ff:ff:ff:ff in ARP?

Setting up network manually, no dhcp, IPV4 only

arptables not working with nmap

ARP table shows incomplete entry and connectivity lost

What's the differnce between "Connection timed out" v/s "No route to host" for ncat command?

How do I get all MAC addresses of all devices on my LAN that have an IP address (equivalent of doas nmap -sn but for IPv6)?

Linux and KVM Qemu VM - "Couldn't ARP for host" despite that host and VM are both bridged and in the same subnet

Can't see connected devices ip with "iw dev wlan0 station dump" on raspberry

Hot Network Questions