Network Security

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Cisco CyberSecurity


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This is a brand new config, there's nothing on it.  I'm just trying to get packets to reach it, but it says it's being denied:%ASA-3-710003: TCP access denied by ACL from 72.201.89.xx/23910 to don't have a web server running ...

tylerhall by Beginner
  • 2 replies
  • 0 Helpful votes

Dear all,I am facing an issue , which needs your valuable support. As per the  attached diagram , remote users are getting ip address 192.168.2.x , internal IP = 192.168.1.x , DMZ ip = 172.16.1.x and 10.0.0.x network is accessed via router connected ...

jibsoni by Beginner
  • 5 replies
  • 0 Helpful votes

I have configured 2 ISP on ASA 5505 which is using IP SLA to track internet connection . Following is Static NAT configurationstatic (inside,outside) tcp ISPA_Second_IP 3389 Jonas 3389 netmask (inside,outside) tcp ISPA_Third_IP ...

Hello,I have WiFi device (host which needs to connect to remote server ( on TCP port 3613)  over L2L VPN tunnel. I see that the device is attempting connection, but it is being reset:%ASA-6-302014: Teardown TCP connection 2175...

forman102 by Beginner
  • 1 replies
  • 0 Helpful votes

Resolved! DMZ Nat question

I have a setup like this (not real addresses--just testing here)interface Ethernet0/0 nameif outside security-level 0 ip address !interface Ethernet0/1 nameif inside security-level 100 ip address!in...

     In a scenerio where an ASA has a Guest interface (security level 50) has only a single OUT acl applied (access-list guest.out extended deny ip any any / access-group guest.out OUT interface guest) and an outside interface (security level 0) conn...

My setup is as follows(        vlan 10                  )     (                 vlan 20                 ) ---  (vlan 30) ---- insideASA<  >outsideASA ---- gw- ---- clientThe server in vlan 10 is on the same subnet as the gateway...

Users are reporting lots of problem with the Internet at my office.  Mostly slow speeds and pages that do not fully load.  I did a "sho asp drop" on the ASA and got the info below.  Not sure what is OK or not but the large amount of out-of-order buff...

tato386 by Frequent Contributor
  • 2 replies
  • 0 Helpful votes
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