Firewalling

Get tips and advice on your Cisco Pix, ASA, FWSM, network firewall, firewall security from the experts at this Cisco firewall security discussion.

Provide answers to questions in this community that are awaiting a correct answer.

Hi, I have FWSM in active/standby.  Primary was failed few days go, secondary has been active since then and we have disabled the failover.Yesterda...
35 min 27 sec ago
Hi all, I have a design problem about the ASA. There is the thing, I have two upstream routers, two ASAs and two downstream N7Ks. The topology is l...
by Hele Du
3 hours 6 min ago
I have an ASA 5500 running 8.2(4). There is a static route inside for the 192.168.0.0/24 network to go to 192.168.133.1, which is another router on...
10 hours 36 min ago
Hi, I have Cisco ASA's in my environment with OS versions '8.2(5)48' & '9.0(4)20' ( Cisco 5580, 5550, 5510, 5520 & 5545), want to whether i...
13 hours 54 min ago
HI, WE HAVE CHANGED OUR isp from old to new we are using ASA5510 and also using proxy server for giving internet access, no w we have added som...
16 hours 8 min ago
         
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Filter Results
Subject Views Votes Rating Replies Last replied by
discussion Issue passing traffic between two internal subnets
Last Reply 5 min 11 sec ago.
0 0 0.0 0 James Dykes
discussion FWSM Failover scenario
Last Reply 35 min 27 sec ago.
0 0 0.0 0 puneechh
discussion Best Design for two ASAs and two upstream Router
Last Reply 3 hours 6 min ago.
2 0 0.0 0 Hele Du
discussion ASA 5585X vs Palo Alto 3020 - differences - help needed understanding
Last Reply 4 hours 21 min ago.
1448 0 0.0 3 support sbt
discussion ZBF driving me crazy!!!
Last Reply 4 hours 52 min ago.
6 0 0.0 1 johnd2310
discussion How to upgrade FirePower on 5525-X with CLI or Virtual Defense Center
Last Reply 8 hours 28 min ago.
13 0 5 2 Shawn Shoemaker
discussion %ASA-4-313005: No matching connection for ICMP error message:
Last Reply 8 hours 36 min ago.
17677 0 0.0 6 Vern Brinkman
discussion ASA 5505 Unable to access via ADSM
Last Reply 11 hours 27 sec ago.
69 0 5 14 Richard Burts
discussion Discard log messages for specific acl line
Last Reply 11 hours 2 min ago.
24 0 3.11111 3 pmet
discussion Botnet filtering 8.2, no license :)
Last Reply 11 hours 13 min ago.
15 0 5 2 WStoffel1
discussion ASA Object Name Differentiation
Last Reply 11 hours 51 min ago.
1 0 0.0 1 Scott Pickles
discussion Help with http management access on ASA5525
Last Reply 12 hours 6 min ago.
33 0 0.0 2 mdarcilla
discussion Cisco ASA 5512 and Cradlepoint IP-Passthrough
Last Reply 12 hours 14 min ago.
2 0 0.0 0 jonathan.fitz
discussion Cisco ASA 5500-X two ISPs active
Last Reply 13 hours 30 min ago.
19 0 5 2 jrgonzalezz
discussion Best way to upgrade asa 8.2.5 to 9.2.3
Last Reply 13 hours 38 min ago.
10 0 0.0 3 michael.quill
discussion asa 5525 failover issue
Last Reply 13 hours 51 min ago.
7 0 0.0 2 michael.quill
discussion SSLV3 vulnerability check
Last Reply 13 hours 54 min ago.
0 0 0.0 0 sajinperikkat
discussion sECURITY ERROR ON CLIENT PC AFTER CHANGING TO NEW ISP?
Last Reply 16 hours 8 min ago.
3 0 0.0 0 vasanth77
discussion ASA clusteing active /standby
Last Reply 16 hours 13 min ago.
10 0 0.0 0 support sbt
discussion Cisco ASA 5500-X unsupported Features Active/Active and Active/Standby MODE
Last Reply 16 hours 27 min ago.
16 0 5 1 Vibhor Amrodia
discussion firewall active/standby failover
Last Reply 16 hours 31 min ago.
10 0 0.0 1 Vibhor Amrodia
discussion cannot block traffic in ASA
Last Reply 16 hours 41 min ago.
10 0 0.0 1 Vibhor Amrodia
discussion Bloqueo de sitios web y aplicaciones en ASA
Last Reply 23 hours 39 min ago.
13 0 0.0 1 Vibhor Amrodia
discussion ASA - Backup, Edit, Restore from ASDM
Last Reply 1 day 3 hours ago.
14 0 0.0 1 Vibhor Amrodia
discussion Cisco ASA Active/Standby VPN/Load Balancing/SourceFire
Last Reply 1 day 3 hours ago.
5 0 0.0 1 Vibhor Amrodia
Filter Results
Subject Views Rating Comments Author
ASR - FAQ (NAT/FW/HA)
Last Reply 3 hours 59 sec ago.
1933
0.0
0 Poonguzhali Sankar
Changing the External Interface IP Address on ASA
Last Reply 8 hours 39 min ago.
2623
5.0
1 Thulasi Shankar
ASA CX stuck in Init
Last Reply 1 day 8 hours ago.
1554
0.0
1 Collin Clark
ASDM access troubleshooting
Last Reply 5 days 5 hours ago.
71945
4.9
8 shrsunda
Cisco Cloud Web Security (CWS) On ISR-G2 - FAQ
Last Reply 1 week 6 days ago.
3737
5.0
0 Poonguzhali Sankar
Current CSC Module hotfix for 6.6.1125.0
Last Reply 2 weeks 2 days ago.
0
0.0
0 Magnus Mortensen
Using hostnames (DNS) in access-lists - configuration steps, caveats and troubleshooting
Last Reply 2 weeks 6 days ago.
66181
5.0
10 Magnus Mortensen
ASA Phone Proxy sample configuration in 8.2
Last Reply 2 weeks 6 days ago.
17834
5.0
1 jubetz
Configure ASA 5525 to allow SSH access
Last Reply 2 weeks 6 days ago.
0
0.0
0 Prabhu Nagarajan
Enabling icmp inspection on FWSM
Last Reply 1 month 1 week ago.
687
5.0
1 Anim Saxena
ASA: IDFW (Identity Firewall) Step by Step configuration
Last Reply 1 month 4 weeks ago.
89479
5.0
55 Poonguzhali Sankar
ASA Pre-8.3 to 8.3 NAT configuration examples
Last Reply 1 month 4 weeks ago.
263641
5.0
40 Magnus Mortensen
Calculating Throughput on the ASA
Last Reply 2 months 3 hours ago.
0
0.0
2 azali
FWSM "show np blocks" explained
Last Reply 2 months 1 week ago.
16276
0.0
7 Rama Darbha
ASA: WCCP step by step configuration
Last Reply 2 months 1 week ago.
65079
3.7
19 Poonguzhali Sankar
ASA-PIX/FWSM: Unable to manage the unit via ssh/telnet/asdm
Last Reply 2 months 1 week ago.
35779
4.9
15 Poonguzhali Sankar
ASA: ScanSafe step by step configuration
Last Reply 2 months 1 week ago.
11340
5.0
3 Poonguzhali Sankar
Test new config on remote ASA, with fallback option
Last Reply 2 months 1 week ago.
25
5.0
0 ph
ASA NAT 8.3+ - NAT Operation and Configuration Format (CLI)
Last Reply 2 months 2 weeks ago.
23647
5.0
31 Jouni Forss
Dual ISP implementation on ASA
Last Reply 2 months 4 weeks ago.
4267
5.0
4 sokakkar
DCERPC inspection on ASA/PIX/FWSM
Last Reply 3 months 8 hours ago.
16790
5.0
5 Adam Makovecz
The sequence number in the outbound reset packet gets randomized in the PIX running 6.x
Last Reply 3 months 1 day ago.
340
0.0
0 TCC_2
ASA 5505 9.1(2) icmp issue.
Last Reply 3 months 2 days ago.
2687
5.0
0 Anim Saxena
Common issues with ASA 8.6 version
Last Reply 3 months 2 days ago.
888
5.0
0 Anim Saxena
Configuring new ASA 5510 in transparent mode.
Last Reply 3 months 2 days ago.
777
5.0
0 Anim Saxena
Filter Results
Subject Views Rating Comments Author
blog Conversion tool - CheckPoint FW to Cisco ASA
Last Reply 3 days 18 hours ago.
5051
5.0
13 Anand Kanani
blog Conversion tool Juniper (ScreenOS) to Cisco ASA
Last Reply 1 week 5 days ago.
4415
5.0
12 Anand Kanani
blog Cisco ASA CX Decryption Setting “Import a CA Certification” Step by Step
Last Reply 1 week 6 days ago.
0
0.0
0 Nangui Djechou Schallum Phares
blog ASA-PIX: DHCP relay through VPN tunnel
Last Reply 1 month 3 weeks ago.
23203
5.0
45 Poonguzhali Sankar
blog Configuring and Troubleshooting remote access SSL VPN on Cisco Adaptive Security Appliance
Last Reply 2 months 2 days ago.
0
0.0
0 Lisa Latour
blog ASA 5500-X Sourcefire / FirePOWER configuration
Last Reply 2 months 4 weeks ago.
5583
4.0
11 zsmithtek
blog ASA/PIX: Proxy Arp vs Gratuitous Arp
Last Reply 4 months 1 week ago.
13966
5.0
6 Poonguzhali Sankar
blog ASA version 8.3 NAT - A new configuration style with new possibilities
Last Reply 4 months 1 week ago.
12121
0.0
13 Jay Johnston
blog Firewall Load-balancing : Comparison of various solutions
Last Reply 5 months 5 days ago.
133
5.0
0 expertadvisor20151
blog Very high capacity Firewall Solution
Last Reply 5 months 5 days ago.
38
5.0
0 expertadvisor20151
blog Scaling Application Security with ITD
Last Reply 5 months 5 days ago.
14
5.0
0 expertadvisor20151
blog Community Tech -Talk Series - Migration Best Practices for ASA 8.3/8.4
Last Reply 5 months 1 week ago.
12137
5.0
4 Vinay Sharma
blog Cisco firewalls – What does this feature do
Last Reply 1 year 3 months ago.
44
0.0
0 Panagiotis T Kampanakis
blog ASA/PIX Firewall: “to-the-box” traffic
Last Reply 2 years 10 months ago.
3283
0.0
9 csaxena
blog Chalk Talk: Firewalls and UC Security: What Does Advanced Inspection of Signaling Protocols Mean?
Last Reply 3 years 1 month ago.
4552
5.0
0 Julie Burruss
blog A series of posts on IPv6 connectivity and security
Last Reply 3 years 3 months ago.
5372
5.0
3 amoraes
blog A series of posts on ASA NAT (before and after version 8.3)
Last Reply 3 years 3 months ago.
7725
5.0
0 amoraes
blog Cisco Extends Context-Based Security to the World's Most Widely Deployed Firewall for Unprecedented Visibility and Control
Last Reply 3 years 4 months ago.
9769
0.0
0 Lisa Latour
blog Basic Zone based Firewall Concepts
Last Reply 3 years 5 months ago.
8136
4.5
6 athukral
blog Video: ASA port forwarding for DMZ server access (versions 8.3 and 8.4)
Last Reply 3 years 8 months ago.
6036
5.0
5 mirober2
blog Video: ASA 8.3 Upgrade - What You Need to Know
Last Reply 3 years 9 months ago.
2623
0.0
1 ciscomoderator
blog Revisiting Firewall Performance Parameters
Last Reply 4 years 2 weeks ago.
6397
0.0
0 Julie Burruss
blog Podcast - How the Cisco TAC uses this Support Community
Last Reply 4 years 4 months ago.
1805
5.0
0 Jay Johnston
blog (Podcast) Using Certificates on the ASA and IOS platforms
Last Reply 4 years 4 months ago.
4756
5.0
2 ciscomoderator
blog Firewall - What does the Botnet filter do?
Last Reply 4 years 7 months ago.
3260
0.0
2 Panagiotis T Kampanakis
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