Port 53 is reserved for the Domain Name System (DNS). In your case it is the DNS cacher dnsmasq of the package dnsmasq-base. This pre-installed package is a dependency of network-manager, the network manager of your desktop environment (e.g. Unity, GNOME, …). For this reason, don't uninstall the package dnsmasq-base and/or disable the service.

In another well-known case, versions of the Zone Alarm personal firewall up to 2.1.25 allowed any incoming UDP packets with the source port 53 (DNS) or 67 (DHCP). A 2005 answer in Seclists.org provides a quote from a previous version of the Reference Guide:--source_port Sets the source port number used in scans. Zillow has 12 photos of this $ 3 bed, 2.0 bath, 2232 sqft single family home located at 53 Firwood Rd built in 1978. MLS #. 53 Firwood Rd, Port Washington, NY 11050. Here's the output I received for port 53: 0.0.0.0:53. I'm assuming the dns server should occupy that ip address space. I checked and the firewall (windows that is) is turned off on the dns servers and I don't see anything in the virus protection blocking port 53. Jan 30, 2015 · In a nutshell, port 53 is used for DNS, which basically converts fully qualified domian names (the website address you type into a browser) into the actual IP address for that site. The output for netstat -tulpn| grep 53 says that I have a proces listening on TCP and running on UDP, both for port 53: tcp 0 0 127.0.1.1:53 0.0.0.0:* LISTEN 3607/dnsmasq udp 0 0 127.0.1.1:53 0.0.0.0:* 3607/dnsmasq

Jul 13, 2005

iptables - Opening port 53 on server Risks? - Information Opening port 53 on server Risks? Ask Question Asked 5 years, 3 months ago. Active 5 years, 3 months ago. Viewed 5k times 0. 2. I looked about but couldn't find a similar enough question. I have some remote servers positioned on clients networks, which provide various services (raspberry pi) - and their firewall config is as follows: Only

Oct 10, 2018

Port 53 is reserved for the Domain Name System (DNS). In your case it is the DNS cacher dnsmasq of the package dnsmasq-base.This pre-installed package is a dependency of network-manager, the network manager of your desktop environment (e.g. Unity, GNOME, …).. For this reason, don't uninstall the package dnsmasq-base and/or disable the service. Install bind9 and all is fine telnet to port 53 - Cisco Community telnet to port 53 If you are trying to see if connectivity works on DNS request (normally uses UDP/53), then the answer is no, telnet on port 53 will not work. If you are trying to test DNS resolution/request, then just use "nslookup" from command prompt, then specify the dns server: server , … Port 53 Restaurant Restaurant Info and Reservations