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For questions about or relating to firewall operations, configuration and troubleshooting.

1 vote
1 answer
1k views

Cisco ASA 5500 disable connection tracking

I have cisco ASA 5500 firewall and curious can i disable connection tracking for specific rules or protocol. …
Satish's user avatar
  • 4,389
4 votes
3 answers
652 views

Network design question

We moved them outside the firewall because they are very high intensity servers, firewall degrading performance and filling connection tables. … Does it OK to do NAT on firewall for Public Server or we should configure Routing? I can add 10.x.x.x route in all Public server to hand off packet to Firewall. …
Satish's user avatar
  • 4,389
2 votes
1 answer
3k views

Router stateful ACL

In stateful firewall you can do it because it hold state of connection but Router ACL isn't stateful. How do i solve this problem? …
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  • 4,389
1 vote
1 answer
679 views

Cisco ACL reverse wildcard vs object-group

I have three service group, WWW, SMTP and FTP. I wanted to isolate using wildcard mask and divide them in logical subnet. Example: We have 192.168.100.0/24 subnet, In short i want to give 50% IPs to …
Satish's user avatar
  • 4,389
1 vote
1 answer
477 views

ASA 5585-X with SSP-10 License

We are planning to buy ASA 5585-X SSP-10 so have question related licensing, what comes with base model? we need following feature does base model cover that without any extra license? VLAN (number …
Satish's user avatar
  • 4,389
1 vote
1 answer
488 views

ASA 5585 licensing question

We have purchased Security Plus and output showing following, in Failover it's showing Active/Active does that means i can't configure Active/Standby ?? Licensed features for this platform: Maximum P …
Satish's user avatar
  • 4,389
1 vote
1 answer
1k views

Deactivate Security plus licence on ASA 5585

We activate Cisco licence L-ASA5585-SEC-PL (Security Plus) to enable 10G ports and everything working but now i want to deactivate that licence but i am getting this error ciscoasa(config)# activati …
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  • 4,389
1 vote
1 answer
680 views

ASA 5585 Error ASA-MPC module found in wrong slot

We have following ASA 5585-x with two SSP-10 module and i am seeing following error when i plug my console on top (SSP-10) module. **************************************************************** *** …
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  • 4,389
2 votes
Accepted

ASA anyconnect VPN restriction base on group

Solution: This is what i did on radius, map TunelGroupName= ASA attributes with ldap group. and its working now. /etc/raddb/users DEFAULT Ldap-Group == "cn=sales,cn=groups,cn=compat,dc=example,dc=com" …
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  • 4,389
1 vote
0 answers
548 views

Cisco ASA 5585-x Failover Virtual MAC address

I have configured Cisco ASA 5585-x with Active/Standby mode, cisco best practice saying you should use Virtual MAC address on interface to avoid traffic disruption when you do failover. now question i …
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  • 4,389
1 vote
1 answer
286 views

Cisco ACL performance question?

We have ASR1006 Router and we are running ACL on it to allow specific port to specific server. Question is there any ACL performance impact on individual IP vs full subnet. like following example. w …
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  • 4,389
1 vote

Cisco site-to-site vpn multiple subnet route over tunnel

This is so interesting. Solution is any ACL access-list ACL-VPN extended permit ip any4 10.100.1.0 255.255.255.0 The Site-to-SiteS with AWS are different :) They only support one security associat …
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  • 4,389
2 votes
1 answer
2k views

Cisco ASA failover monitor-interface policy

I have Cisco ASA 5585 and it has 10G interface in port channel where i configured multiple vlan sub-interface, is it worth to monitor every single sub-interface for failover policy or just monitor phy …
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  • 4,389
3 votes
1 answer
391 views

Cisco ASA5585-X replace SSP-20 with SSP-60

We have cisco ASA5585-X with SSP-20 running in production and we need more power so planning to replace SSP-20 with SSP-60 module but not sure we can just hot swap with SSP-20? Does ASA5585-X support …
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  • 4,389
2 votes
2 answers
28k views

ASA conn flags explain

I have seen following output, but what is the difference between UB vs UIOB vs UIO? I looked at this website, and it has nice explanation, but I am having a hard time to decode it in context: https: …
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  • 4,389

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