ASA 5505 Content Filtering For Inside Network

Feb 26, 2012

I'm looking for a content filtering/antivirus/antispyware appliance for my company. Right now we have an ASA 5505 at the edge. We have several outside employees connecting via Cisco VPN clients to the ASA. I need an appliance that can do content filtering for my inside network, guest network, and VPN users. That's two local VLANs and a VPN pool which are all terminated at the ASA.

I've had good luck with Cymphonix in the past, but their boxes are a bit steep for the amount of throughput I need. We'll probably be moving from a 15/15 fiber connection to 80/10 cable soon since our provider can't seem to keep us online; even with an alleged "100%" SLA. They just don't have a network capable of anything close to 100% uptime, plain and simple.

I'd like to keep the ASA running as our firewall and VPN server, so the device needs to be able to do content filtering/av/as in a transparent mode.

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Cisco VPN :: Content-filtering Over SSL On ASA 5505

Sep 19, 2012

I am trying to do content-filtering over ssl VPN (clientless) on ASA 5505. [code]

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Cisco Firewall :: IOS Content Filtering On SR-520 Router

May 17, 2010

I have a Cisco SR-520 router which I am trying to configure and install the IOS content filter. I have read many of the documents on this but some of the lines do not work, from using the pages belowURL
you are supposed to enter parameter maps as follows:-
 
parameter-map type trend-global global-param-map
server trps.trendmicro.com
cache-size maximum-memory 256
cache-entry-lifetime 1
 
The router has 12.4 (20) T4, which is supposed to be supported, the only other way of configuring is using CCP which is not compatible with SR-520's you recieve hardware not supported message's.

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Cisco Firewall :: Does ASA5525-K9 Support Content Filtering

Jun 27, 2012

I know the 5510 & 5520s support the CSC-SSM module for Content Filtering (Anti-Phishing, Anti Spam, URL filtering, Anti-Spyware & Antivirus), but what about content filtering for the ASA5525-K9.The problem that I have is that I need a firewall that supports up to 1 Gbps Maximum Firewall Throughput and to support 250 users with Content Filtering described above.I'm using the following doc for sizing and came across the ASA5525-K9 for 1 Gbps, but not sure about the Content filtering: url...

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Cisco Routers :: RV082 Content Filtering / ProtectLink Web?

Nov 28, 2012

We have just buy a Cisco Small Business Router, model RV082. I need to enable the content filtering, but we just realized that this equipment does not filter HTTPS urls, even with the solution "Cisco ProtectLink Web" the equipment does not filter HTTPS urls.
 
For example, if I type on my browser just [URL], the access blocked, but if I type HTTPS:[URL], the access is allowed!Is there any way to block urls with HTTPS?

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Cisco Security :: 2900 - Configure TrendMicro IOS Content Filtering?

Jul 22, 2012

I'm trying to configure TrendMicro IOS content filtering. I have this working on a separate box, running 15.1.
 
On this particular testbed, I have a 2900 running:
 
System image file is "flash0:c2900-universalk9-mz.SPA.152-3.T1.bin"
 
And the following licensing:
 
Technology Package License Information for Module:'c2900'
 
Code...

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Cisco Firewall :: 2911 - IOS Content Filtering Using Trend Micro

Apr 26, 2012

I have IOS content filtering using the Trend Micro subscription service working on a 2911 running 15.1.(3)T3 with the security license option and a 30 day demo Trend subscription. Once I figured out that the content filtering for Trend appears to be completely broken in 15.2 (even using docs for 15.2) I went back to 15.1 and it works great.
 
Everything seems great so far except I would like to have a more 'fancy' or custom blocked page where a user can have a couple links to either go to the trend micro reporting page [URL] or some other page, and maybe some branding so they know the page is coming from our network and is not some fake security thing or phishing attempt or whatever.
 
I know I can use the 'parameter-map type urlf policy trend ' section to do a tiny bit of customization of the text that appears on the default blocked page display and there is an option for it to go to a simple redirect instead ('block-page redirect -url') but how to do more with either the built in page or the redirect- url to keep the information of what page the user was trying to access and why it was blocked (category etc.) while adding more features.
 
Oh, one last thing, this doesn't support any kind of 'user override' or anything like that does it? So that a network can have a filter applied but an admin could override the filtering to allow temporary access to something?

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Cisco Routers :: Rv220w - Content Filtering Ignoring Firewall Rules

Mar 11, 2012

I face a strange bahavior with my rv220w router : I set up access rules to deny all outbound trafic for a particular IP range. It seems to work fine .... but when I enable content filtering, HTTP  access on port 80 works again (and other ports are denied). It seems that activating content filtering makes the router ignore firewall rule.

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Cisco Routers :: Content Filtering By Category And Router Sizing RV042G

Mar 17, 2013

I'm working withbusiness set up a remote office, currently with about 45 PC's that could grow in the future. They are looking at a RV042G or (for long term future growth) a ISA570.They want to be able to do content filtering by category, ie restrict gambling, drugs, etc. sites rather than by URL or addresses.Is either the RV042G or the ISA570 capable of doing this?Are both routers to be available long term?  ie, they are not on any end-of lists?  I've looked and did not see them on any.Is the RV042G capable of handling an office even starting with 45 PC's?  If not, is the 570 a good fit?

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Cisco Firewall :: How To Block Websites Using Local Content Filtering On A 876 Router

Nov 3, 2012

I found an interesting manual at this forum for blocking websites whits local content filtering. After I've modified the variables to get more details, I stopped at on question. My current Problem is "zone-pair.
 
zone security Z-SECRUTIY-SOURCE
zone security Z-SECRUTIY-DESTINATION
zone-pair security ZP-SECURITY source Z-SECRUTIY-SOURCE destination Z-SECRUTIY-DESTINATION
service-policy type inspect CM-INSPECT-TRAFFIC

[code]...

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Force All Web Traffic Through Separate Linksys WRG54G Router / Gateway For Content Filtering?

Oct 24, 2012

I have two devices: One is a Linksys WRG54G router. The other is a PC running the Smoothwall router software with URL filtering. Either would work fine on its own as a router. I'm wanting to use them both, though, because each offers different features.Right now, the Linksys router is connected to the WAN and is my DHCP server. Its IP is 192.168.0.1. The Smoothwall box has a static IP of 192.168.0.2. I want all web traffic to go through Smoothwall (192.168.0.2) because it offers good web filtering.

I know I could use Smoothwall as my router and rid of the Linksys, but the whole idea behind this is to use the QoS and other features that Linksys firmwares offer (such as Tomato or DD-WRT), but still keep the ability to filter URLs.

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Cisco Switching/Routing :: 871 Content Filtering At Specific Time And Multiple Adsl Connections

Jan 23, 2013

I have Cisco 871 router with 12.3. OS version.
 
1. I'm interested if it's possible to block certain contetn only at certain time ? e.g. We would like to block facebook from 7:00 to 10:00 and from 11:00 to 15:00. I was going through cisco manuals but can't find the right answer to this.
 
2.  Cisco 871 has 4 LAN interfaces and one WAN interface. Currently WAN interface is connected to adsl modem in bridge mode and LAN 0 interface is connected to switch. 
 
I'm interested if I could use remaining  3 LAN interfaces for adsl connections same as I'm using WAN interface. Then I would  create vlans that would  use  LAN interface 0.  Each of those VLAN's would use different adsl connection.I would assign different IP to each VLAN's so users would be able to change their gateway and use different ADSL connection.

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Cisco Firewall :: ASA 5505 URL Filtering Using URL Filtering Server?

Feb 7, 2012

I have come across articles mentioning that URL  Filtering can be implemented by using ASA 5505 with URL Filtering  Servers. But Websense and other Web Filtering Servers are paid ones ?  Are there any free solutions available ? What exactly is N2H2 ? The  reason is I don 't want to increase the CPU utilization of ASA by  implementing URL filtering within the device. If I have around 30 nodes  which connects to the internet via a 2Mbps line through ASA 5505 and if I  want to block around say 10 or 15 URLs , will it increase CU  utilization beyond permissible limits ? Currently the CPU Utilization is  around 10 - 15 . Here's the infrastructure setup .

------------------------------------------------------------
Nodes -->Switches-->ASA 5505-->Internet
-------------------------------------------------------------

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Cisco :: ASA 5505 DMZ Do Not Talk To Inside Network

Jul 29, 2011

I have a 5505 with the security plus license. I have a web server in the DMZ that needs to talk with a server on the inside network but it doesn't seem to be able to. Im guessing there is something I need to do to enable the DMZ to talk to the inside network.

Here is the config.

[code]...

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Cisco WAN :: ASA 5505 Inside Network Route To Internet

Nov 8, 2011

i have asa 5505 , so i wanna my inside network to access to the internet. my internet gateway is 155.155.155.1
  
: Saved
:
ASA Version 8.2(1)
!
interface Vlan1

[Code]....

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Cisco WAN :: 5505 Accessing Web Servers On Inside Network

Jul 5, 2011

Got a problem accessing our webservers on the inside interface from other clients on the inside interface on our ASA 5505.As in, they type in url... in their browser, and it wont work.
 
However, if we use a PC on another outside network, it works just fine! [code]

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Cisco Firewall :: ASA 5505 - Configure Communication From Inside Network To DMZ

Nov 30, 2011

ASA 5505 and DMZ, I have a Base License.
 
What do I need to do for access inside network to DMZ?
 
I successfully configure, internet Access for DZM and inside network, web server can be accessed from internet, but I have problem to configure communication from inside network to DMZ.

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Cisco Switching/Routing :: Translate Inside Network Of 192.168.20.0 To Outside ISP Address On ASA 5505

Oct 2, 2012

I'm trying to translate my inside network of 192.168.20.0 to my outside ISP address on ASA 5505. The ping from all hosts to 4.2.2.2 works, but it still only let's one address out to translate.My configuration is:
 
global (outside) 1 interface
nat (inside) 1 0.0.0.0 0.0.0.0
 
still doesn't work.

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Cisco Switching/Routing :: Translate Inside Network Of 192.168.20.0 To Outside ISP Address On ASA 5505?

Oct 2, 2012

I'm trying to translate my inside network of 192.168.20.0 to my outside ISP address on ASA 5505. The ping from all hosts to 4.2.2.2 works, but it still only let's one address out to translate.My configuration is:
 
global (outside) 1 interface
nat (inside) 1 0.0.0.0 0.0.0.0
 
still doesn't work.

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Cisco WAN :: 2811 - Cannot Ping Inside Global IP From Inside Network

Dec 18, 2010

I have 2 questions.Om my cisco 2811 (IOS 12.4(15) T9 IPBASE W/O Crypto) i am using 3 interfaces.And i have a pool of Global addresses: 200.x.z.97-200.x.z.126 255.255.255.0
 
FastEthernet 0/1 description WAN interfaceip nat outsideip address 200.x.y.253 255.255.255.0
 
GigabitInterface 0/2/0description DMZ interfaceip nat insideip address 10.0.0.1 255.255.255.0
 
GigabitInterface 0/3/0description LAN interfaceip nat insideip address 192.168.0.251 255.255.255.0
[Code]....

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Cisco Firewall :: Could URL Filtering Be Done On ASA 5505 BUN-K9

May 16, 2013

Could URL FIltering be implemented on Cisco ASA 5505-BUN-k9?i mean to block certain websites, like facebook, youtube, to block certain download files like .exe, .com .bat etc....Is there any extra license needed for this, or it could be done with the simple IOS ASA5505-bun-k9?

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Cisco Firewall :: ASA 5505 URL Filtering?

Mar 7, 2011

I have a problem configuring url filtering on ASA 5505 rel 8.3.1: I have to block the web navigation to facebook and, with my configuration, it works fine.The problem is when I try to access on other sites where there are a links to facebook, I cannot see that site and not only the button of facebook.
 
regex urllist1 ".*.([Ee][Xx][Ee]|[Cc][Oo][Mm]|[Bb][Aa][Tt]) HTTP/1.[01]"
regex urllist2 ".*.([Pp][Ii][Ff]|[Vv][Bb][Ss]|[Ww][Ss][Hh]) HTTP/1.[01]"
regex urllist3 ".*.([Dd][Oo][Cc]|[Xx][Ll][Ss]|[Pp][Pp][Tt]) HTTP/1.[01]"
regex urllist4 ".*.([Zz][Ii][Pp]|[Tt][Aa][Rr]|[Tt][Gg][Zz]) HTTP/1.[01]"

[code]....

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Cisco :: HTTP Inspection URL Filtering On An ASA 5505?

Jan 12, 2011

Im trying to configure HTTP Inpsection with regex matching on a ASA 5505 (8.2) so that I can deny all websites apart from google and yahoo. And also enclude host 192.168.1.2 from this inspection. I have been through a number of examples and the syntax below appears correct but appears not to work. The logs report only that traffic has been dropped by the inspection policy.

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Cisco VPN :: 5505 SSL VPN Works From Inside But Not Outside

Sep 20, 2012

I'm setting up a VPN in order to share files between two locations. I'm not sure it's the best solution, but he insists on using his Cisco ASA 5505 Firewall via a clientless VPN. His set-up is a simple residential cable modem (Motorola SurfBoard/TimeWarner) set in DMZ mode, the Cisco ASA, and an Ubuntu server.
 
The Clientless VPN is set up, as are the user groups, and bookmarks. I'm able to browse to the firewall's internal interface IP (https://192.168.1.1) and log in to the Clientless VPN portal, and from there, I can access all of the plug-ins I've configured (CIFS, VNC, etc). The problem is that I cannot connect from outside the local area network.
 
I think it's something very basic that I'm missing, like a NAT rule. I've tried adding some, but they always seem to interfer with the NAT rule allowing users to connect, via the internet, to the Apache web server (port 80) running on the Ubuntu machine behind the ASA Firewall.
 
Like I said, I'm not sure this is the best solution for him. Using an ASA seems like overkill for something that can be accomplished with some software, but he and I are both fans of Cisco, and, as I said, he is adament about using this set-up. If it comes down to it, I'd like to be able to honestly tell him that I exhausted every resource in trying to find a way to make this work for him before giving up and going to "Plan B".

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Cisco :: ASA 5505 SSL VPN Can't Reach Inside From VPN Subnet

Jul 7, 2012

I've setup a SSL VPN to a ASA 5505 and can connect.

VPN network 192.168.2.0 /24
Inside Network 192.168.1.0 /24
Outside is connected to Router.

I am trying to RDP to a win server on the inside network but I cant get to it. Can not even ping 192.168.1.1 or (not sure if I could anyways) 192.168.2.1...

I added a ACL on the outside interface and then inside interface permit ip any any but still no ping or RDP...

New at VPN and have survived so far on cisco docs but this problem is evading me.

: Saved
:
ASA Version 8.2(5)
!
hostname ciscoasa

[Code]....

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Cisco Firewall :: 5505 DNS Does Not Resolve Inside DMZ

May 14, 2012

I have a 5505 that currently has inside/outside interfaces and everything is working just fine. I am trying to create a DMZ that will essentially be just for vendors/guests. the DMZ will have full access to the outside (Internet) but no access to the inside. I am using the FW for DHCP, and 8.8.8.8 and 4.2.2.2 for DNS. I currently have 1 laptop in the DMZ vlan, and it is getting a correct IP, and it is showing 8.8.8.8 and 4.2.2.2 in ipconfig. I can ping/tracert 8.8.8.8/ 4.2. 2.2/74.125.137.147(what url... resolved to on a laptop connected to the inside vlan), but I cannot ping nor browse to url.... [code]

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Cisco Firewall :: Enable SIP From Outside To Inside (ASA 5505)

May 14, 2012

We recently purchases the Cisco ASA 5505 to get familiar with it, possibly buying more appliances for our branch offices. However, since the appliance is installed, our SIP telephones no longer register with our SIP service provider.
 
The SIP phones are all on 10.0.1.0/24 while the SIP provider is external via the outside network. I copied our configuration below. how to enable SIP for all 10.0.1.0/24 hosts and ports 5060, 5160, 5260, 5360?
 
gcxfw# show running-config
: Saved
:
ASA Version 8.4(3)

[Code].....

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Cisco Firewall :: 5505 DMZ To Inside ASA 8.4 / ASDM 6.4

May 21, 2012

I have a standard ASA 5505 with inside, dmz and outside with the default security levels, 100/50/0. we have an email server inside which has been NATed and is working fine. However users accessing the wireless on the dmz are unable to access their emails on https (443). How do I allow SSL access ONLY to users on the dmz using ASA 8.4 commands or ADSM 6.4?

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Cisco VPN :: 5505 - AnyConnect Access To Inside IPs

Sep 13, 2011

I'm having problems getting AnyConnect clients to reach a server (192.168.139.3) on the Inside interface of my ASA 5505.  Ideally, this would be accessible from the DfltAccessPolicy or another dedicated policy, but right now I'm happy with any access.  Everything else seems to be working as expected.  I've rebuilt this config a number of times without success.  I can ping the IP from the ASA itself.

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Cisco VPN :: ASA 5505 SSL VPN Can't Reach Inside From Subnet?

Jul 6, 2012

I've setup a SSL VPN to a ASA 5505 and can connect.
 
VPN network 192.168.2.0 /24
Inside Network 192.168.1.0 /24
Outside is connected to Router.
 
I am trying to RDP to a win server on the inside network but I cant get to it. Can not even ping 192.168.1.1 or (not sure if I could anyways) 192.168.2.1...I can ping from the 192.168.1.0 net to 10.0.0.0 and 192.168.2.0 without issue but not the other way around....I added a ACL on the outside interface and then inside interface permit ip any any but still no ping or RDP...
 
: Saved
:
ASA Version 8.2(5)
!
hostname ciscoasa
enable password 2KFQnbNIdI.2KYOU encrypted
passwd 2KFQnbNIdI.2KYOU encrypted

[code]....

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Cisco Firewall :: ASA 5505 Ping Inside To Outside Don't Go

Sep 29, 2012

I have 2 ASA and would like to build a Side-to-Side VPN between these ASA. So I can learn something about configure a ASA for different thinks. But now I don`t can Ping from a Client to the Internet-Router.My Configuration is:
 
Client IP 192.168.1.100 <===> ASA Inside 192.168.1.1 /Outside 192.168.178.254 <===> Router 192.168.178.1
 
Is there something wrong at my config? or do I need inside private Adresses and at the Outside Global IP`s.
 
At the Router I have a Static Route that the 192.168.1.0 / 24 ist to find over Gateway 192.168.178.254

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Cisco Firewall :: ASA 5505 - Allow (outside) Host To (inside)

May 20, 2011

I have a ASA 5505 Sec Plus. I would like to allow outside hosts to our mail server and also our FTP server. So i would like to allow only SMTP, HTTP (for Outlook Web Access) and FTP.

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Cisco Firewall :: NAT With Inside / DMZ VLANs On ASA 5505 V8.4(2)?

Sep 16, 2012

I have a 5505 with Base license running ASA software v8.4(2) that has been working happily for a while with an inside and an outside VLAN.
 
The outside has a single statically configured public IP, and I have a number of static NAT rules to expose a few internal servers as well as Dynamic-NAT for all devices on inside to gain access to the Internet... the main bits of the config are below:
 
interface Vlan1
nameif inside
security-level 100
ip address 192.168.1.1 255.255.255.0
!
interface Vlan2

[code]....

I now have a requirement to add a "dmz" VLAN for guests to have access to the Internet using a dedicated wireless AP, but not to any of the inside resources. As the ASA has a base license I have configured "no forward interface" to the inside vlan, which suits the purpose fine
 
interface Vlan12
description Used only for guests access to the Internet - no access to the corporate resources
no forward interface Vlan1
nameif guests
security-level 20
ip address 192.168.2.1 255.255.255.0
 
My problem is that when I try to add NATing from the dmz to the outside I get a:
 
     ERROR: Address a.b.c.d overlaps with outside interface address.
     ERROR: NAT Policy is not downloaded
 
with either:
 
object network guests_subnet
subnet 192.168.2.0 255.255.255.0
nat (guests,outside) dynamic interface

[code]....
 
Having had a look at the ASA Configuration guides, all the examples I can see with several "internal" VLAN's being NAT'ed use one external IP per VLAN - is this a feature/restriction of the ASA software? Are there any workarounds? Or is the overlap in the error message really about the current NATing to the inside VLAN which is done on the "any" 0.0.0.0 subnet - would the following then work:
 
object network obj_any
subnet 192.168.1.0 255.255.255.0
nat (inside,outside) dynamic a.b.c.d
object network guests_subnet
subnet 192.168.2.0 255.255.255.0
nat (guests,outside) dynamic a.b.c.d

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