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I have a 3945 route and I need to get port 6969 open but when I run a port analyzer on it from my internal network I get the following report: Starting Nmap 7.70 ( https://nmap.org ) at 2019-05-30 17:28 Eastern Daylight Time NSE: Loaded 148 scripts for scanning. NSE: Script Pre-scanning. Initiating ...
Options. 09-20-2006 01:57 AM. Hi. I think, you can try " show ip nbar port-map " command, this will give you list of tcp and udp ports, this command support certain router. Please rate this post. -minu mathur. when you use ip helpe address method, then following UDP ports are by defaul open. 1) TFTP-69. 2) DNS-53.
thanks for your quick replay, can you tell me the exact command to check open ports, i used bellow command , but that command is not supported . my router using 15.2(4)S2 IOS.
Solved: I have an ISR4331 running IOS XE 3.16.3S with IOS 15.5(3)S3. The "show control-plane host open-ports" command (very useful for showing what ports the router is listening on) is an unrecognized command.
Open ports. Go to solution. chrissnop. Level 1. Options. 08-24-2016 01:40 AM - edited 03-05-2019 04:33 AM. Hello guys, i type this command to check open ports: show control-plane host open-ports. I notice that port 23, 22, 80 and 443 is open by default in the control-plane. Just some few questions:
These relate to the service-module installed in the router. If you don't use the module, disable transport to it: ! line 2. transport input none. ! If you do us it then create a ACL and apply it to limit access only fro your admin subnet (eg: 192.168.0..0/24): ! access-list 10 permit 192.168.0.0 0.0.0.255.
Please find attached running config file (removed sensitive information). As you might sse from this file I have 3 IP Addresses range on my network, 192.168.1.11 - 192.168.1.254 (wired connections), 10.100.1. for wireless connections behind the router (local) and 10.100.2. for remote users loging in through the router's VPN.
Dears, what is the default services allowed on cisco routers??I noticed that only http service is allowed when I tried to use other services that use other ports like 8585 I see connection failed???? any help
A vulnerablitiy scan of some of our IOS devices report that the devices are running a 'vulnerable ISAKMP service' on port 500. These may be false positives because there is nothing configured on the devices that use ISAKMP. So if I can show that the devices are not listening on TCP port 500, I can p...
This will bring up a netstat window on the router that will show you what ports are listening. You can also do "show tcp brief all" and it will show you similar results. You should have an acl on your wan interface denying everything except what you're wanting in. If not, the router would be wide open to the world.