How Do I Fix The Error That Ports Cannot Be Reserved?

 

You may encounter an error code labeled Nat Error. Ports cannot be reserved. It turns out there are several steps you can take to fix this problem, which we’ll discuss now.

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I hope you are ok, our own ASA cannot reserve the vents because port 443 is already implemented by ASDM when you re-enable it, or for your VPN connections, so the firewall is fine. cannot assign port 443 to your host.

You can of course change the mapping port to connect the measurements to a different port, for example 4443.

HTTPS network object
host 10.10.100.11
nat (inside, outside) static company interface tcp 443 4443

When your external host tries to communicate with the internal host, be sure to type in your web browser:

Https: // x the.x.x.x: 4443 x.x.x.x is the public IP address of your internal host

Note that when this packet arrives at the ASA, it will make sure to translate port 4443 to 443, which is actually the port that your internal host will listen on.

I am trying to get remote access through my 5505 (security license) and allow it on my backend server, so I want to try

But, as with any topic, I always get the correspondence “ERROR: NAT is notcan reserve ports. ”

I have successfully applied the same rule, two different – ports for REMOTE-RDP and REMOTE-8090. ADSM is configured to run in the 50443 forced admission application configuration.

SPIRIT-FW1 # sh xlate
9 is used, 18 almost all flags
are used: D – DNS, e – stretched, I – identifier, i – dynamic, t – portmap,
s – static , T – again, N – PAT between
TCP network from inside: 10.10.5.100 from zero to outside: 192.168.1.17 3389-3389
flags srT is inactive 1: 00:46 0:00: 00
Time -out TCP PAT outside: 0.0.0.0/0 0 inside: 0.0.0.0/0 0
flags srIT 1:00:46 Idle timeout 0:00:00
Outbound NAT: 0.0. 0.0 / 0 inside: 0.0.0.0/0
signals an inactivity timeout sIT 1:00:46 0:00:00
NAT outside: 0.0.0.0/0 inside_2: 0.0. 0.0 / 0
check SIT that does nothing timeout 1:00:46 0:00:00
NAT from outside: 0.0.0.0/0 directly to inside_3: 0.0.0.0/0
check sIT inactive Timeout 1:00: 46 0: 00: 00
NAT far outside: 0.0.0.0/0 towards inside_4: 0.0.0.0/0
signals SIT inactive 1: 00:46 timeout 0:00 : 00
TCP PAT outside: 10.10.5.100 0 inside: 192.168.1.17 SrT 8090-8090
idle indicators 1:00:46 wait delay 0:00:00
TCP PAT received from outside: 0.0. 0 .0 / 0 0 inside: 0.0.0.0/0 0
reports srIT unproductive 1:00:46 0:00:00
UDP PAT timeout outside: 147.156.7.18 123-123 inside: 0.0 .0.0 / 0 123-123
signals inactivity srT 0:36:14 timeout 0:00:00

I am trying to set up static NAT on a Cisco ASA 5506-X. I need to map TCP and UDP opened 58636 from outside the interface to another single host (192.168.10.10) inside. However, I am getting the following error:

  asa-fw (config-network-object) # nat (inside, outside) static udp service interface 58636ERROR: 58636 NAT cannot reserve ports. 

I was able to run the above command on a real TCP port without any problems. So, I believe I have a perfect mix of different objects / groups of objects.

The following are the corresponding Object and NAT statements that worked on TCP port 58636.

  Object Network OBJ-NET-HOST-192.168.10.10-TCP-58636 Qty. Shares 192.168.10.10Object network OBJ-NET-HOST-192.168.10.10-TCP-58636 nat (inside, outside) tcp static interface device 58636 58636 

4 ANSWERS 4

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