Cisco Firewall :: Internet Access Restriction Based On IP Addresses ASA 5500
Oct 20, 2010
One of my Clients just aquired a CISCO ASA firewall, and they would like to restrict internet access, that is they want to block internet for Junior employees while managemnet remains connected, Looking at the situation, The ASA serves as the gateway,I tried an Access list like below for one pc to test if it works but instead everyone just went off, may be i misfired somehwere.
Access-list 110 deny tcp any host 192.168.20.100 eq wwwAccess-list 110 deny tcp any host 192.168.20.100 eq 443Access-list 110 permit tcp any any eq wwwAccess-list 110 permit tcp any any eq 443access-group 110 in interface inside
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Feb 10, 2011
I currently have a asa 5500. is there a way to authenticate based on mac address throught the vpn client. We are haveing problems with useres using there home computers to connect. Yes they are smart enought to install the client and copy the profile.
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Oct 20, 2012
Is it possible to restrict the Remote Access VPN to ASA based on the Source Public IP , if so how ? here I am not talking about the VPN-Filter under group-policy . I Want to restrict the access from specified source IP (Public IP)
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Aug 4, 2011
I have 4 autonomous AP 1142 with 2 ssids : SSID10,vlan10 & SSID20,vlan 20.I use ACS 4.2 in order to authenticate users (EAP-FAST). How can i restrict access base on ssid or on vlan?I want users that connect to SSID 10 to not have access to SSID 20 and the opposite.
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Mar 9, 2011
administrator wants to manage ASA 5500 using inside interface.{telnet or ssh].Allowed telnet and ssh in ASA 5500 but unable to get access from administrator PC..Is there a way to do it without enabling NAT on the ASA? Will a specific rule on ASA allow adminstrator to access ASA 5500 inside interface via ssh or telnet?
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Feb 16, 2011
My web server sits behind an ASA 5500.When I access the web site from outside, it works fine. When I try and access it from the server itself, I get"Internet Explorer cannot display the webpage" error. I can access other web sites, such as Yahoo.com, Google.com, etc. I have rules setup to restrict/enable incoming traffic, but I don't have any rules setup to "loop back".
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Feb 26, 2013
So in the past from 8.2 down I had one to one NATs like so
static (inside,outside) A.A.A.A B.B.B.B netmask 255.255.255.255
but for 9.1 im running now I need to do this
object network obj-B.B.B.B
host B.B.B.B
nat (inside,outside) static A.A.A.A
So if I make an ACL to permit outside public access to the public IP (A.A.A.A) in 9.1 do I use real B.B.B.B ip address or the object itself obj-B.B.B.B?
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Jan 1, 2013
I have set up access restriction times for my son (we have wireless access for all systems). I use the MAC address on his systems. Xbox, Kindle Fire and his Laptop. The MAC address are Correct. Here is the problem:
I set the "allow" and times from 6pm - 11:00 pm (while on xmas vacation) - the system works for a while he is shut off as i would like but....
After a period of time the entire house goes off line. I have to reboot the power on e2000 router and then disable the access restrictions. System then works. Problem is repeatable. What is the deal. I have updated firmware already. Otherwise the system works great. Never dies. Just when i set access restricions for a SPECIFIC time it kills entiore houese. BTW i can deny him outright 24/7 and the system idsables his access fine. Its just when i set specific times
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Jan 20, 2013
I have a Nexus 5500 which is the core of our network and we have access layer switches uplinked to it. I know by default the qos markings will be trusted.
1. On a trunk uplink from an access layer switch to the Nexus, I have "mls qos trust dscp". Will the DSCP marking be preserved when it reaches the Nexus?
2. How do I do prioritization of voice traffic on an uplink on Nexus based on DSCP EF?
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Mar 3, 2013
I'm having an issue accessing a clients router on the WAN interface with Cisco config pro. I can get CLI access with SSH without any issue. I have port 22 and 443 allowed as management access from my public IP - SSH working fine but config pro being refused connection, Possibly a certificate issue?
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Jun 1, 2011
I am putting together a solution for a client. The client has an MPLS circuit and internet as a backup circuit. I understand that we can do WAN failover using ASA5510 appliance.Now, if i am adding dual ASA5510 active/standby mode, How do i automatically failover WAN circuits to standby firewall if both MPLS and Internet circuits are connecting to primary ASA5510. Should i connect MPLS circuit to ASA1 and Internet circuit to ASA2? Ideally, i want both circuits to connect to primary ASA5510 for automatic WAN failover. My concern is , if the primary ASA5510 fails which has WAN and Internet circuits connected , do i need to manually switch connection from primary to standy? The goal is to fully automate wan failover and asa failover .
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Nov 22, 2011
How would I go about configuring RADIUS based AAA for remote access VPN users? I have an OSX RADIUS server and an ASA 5510
(I want to keep console and SSH using LOCAL, so I keep this: "aaa authentication ssh console LOCAL", right?)What does the rest of the config look like to get RADIUS based AAA for remote access VPN users?
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Jul 2, 2012
There are 10, 50 and unlimited users profiles for the ASA 5505, reason for that restriction? Does that mean for example that only 10 users can go through a 10-user 5505?
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Nov 23, 2011
We are using ASA 5510 Version 7.2(4) at our organisation. The requirement is we need to give an access to a user with limited access so that he can run only specific commands on configuration mode. We don't have Cisco TACACS server instead of that we are using a microsoft radius server.
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Aug 22, 2012
I have a netwokr in which users are getting ip address from DHCP server that is window server.i want to block some users to access interent by using their device mac address.i have these devices in my network...
2921 cisco cme router
cisco 2960 switches
cisco 892 cisco internet router
internet ADSL that cnnected with cisco 892...
wireless AP 1142...
i have no firewall or any asa...how can i block some users for accessing internet but they can access internal network...for file sharing and prinitng,...
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Feb 12, 2012
I've installed RV042 for a client of mine. For next two months everything worked without any problems. The issue I've been experiencing lately is when I assign a static IP address to the PC it won't have internet access. Once I allow it to have a dynamically assigned IP then it works fine. The IP I assign isn't part of the DHCP range.
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Jun 11, 2011
I am trying to create a user restriction to allow one user to access only two networks (10.192.3.0 and 10.192.5.0) I have range of networks but I want to permit only two networks for limited user and full access for the admins. I know this was possible with ACS 3.3 but I am not too sure if this is also applicable with ACS 5.2.
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Jul 7, 2012
i have asa 5520 configured as VPN Gateway to terminate remote access vpn , i have question , how can i restrict the access to only 1 range of public source IPs to access my corporate via RA ,is this possible?if so how to configure it?
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Feb 23, 2012
We have 4 SSID's established for our staff, students, Guests and Providers. CISCO / ARUBA Managed APs with a centralized CISCO Controller. Can I restrict access by the first letter in the username so that usernames that begin with x will ONLY connect to the Staff SSID if in range and usernames starting with y ONLY connect to the student SSID?
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Mar 31, 2013
We are trying to navigate the waters in choosing between a in-house, controller-based, wireless network solution or a cloud-based solution. We have been presented with the usual suspects in cloud-based (Aerohive, Meracki, etc) and with Cisco (5500) and Aruba on the other side. We are a multi-campus organization with approx. 200 APs.Any hard reasons why go with a controller-based vs. cloud-based solution? If we must keep the conversation limited to Cisco, why go Meracki over Cisco's WLC solutions or vise versa?
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Mar 31, 2013
I have 2 questions to confirm and/or get direction on how to modify.
1) is there a way to get around the (seemingly arbitrary) class C (slash 24+) subnet restriction for the primary/main IP address for the internal LAN?
(I realize I can setup multiple internal subnets but that also seems to introduce restrictions for port ‘forwarding’ and ‘one-to-one NAT’ use because those features seem to be restricted to the primary/main IP subnet)
2) it seems like all traffic is passed to the host on the internal side of a ‘One-to-One NAT’ regardeless of the firewall rules in place, is that what is be expected?
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Jul 6, 2012
My Wireless-N Home Router WRT120N with version 1.0.07 seems to have a problem blocking Sites through scheduling with Access Restriction "Allow" ...I notice that... when I enable access restriction, with policy and some range of computers connecting to my router , and set it to "allow" from "monday - friday" from "8am-6pm" .. with a purpose of blocking some social networking sites, example facebook, It works perfectly fine. But when the "scheduled" time comes ( before 8am and after 6pm ).. I cannot access the internet.. router is working, it detects my modem.. but no internet connection. It always happen before and after the "scheduled time" before the configured access restriction takes over. I have to disable the Access Restriction to continue our internet access.
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Mar 19, 2012
target 192.168.0.21following are rules of access restriction on WRT54G1.rule A- 07:00am~10:00am,internet access allowed, keyword blocked such as Facebook,mail.2.rule B- 10:05am~10:00am,internet access allowed, no keyword blocked.but 192.168.0.21 fails to access internet after rule A expired.
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May 1, 2012
Router 2811 got 3 Interfaces. One Interface connected to INTERNETProvider, Second Interface connected to Sales_Dept, Third Interface connected to Business_Dept. Internet Bandwidth in Total is 8MB. I need assistance to allocate 6MB total bandwidth to Sales_Dept and 2MB total to Business_Dept Sales_dept has 48port switch 2960, Business_Dept 24 port switch 2960. Gateway for users is the 2811 Router and both are on different subnets
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Jul 23, 2009
we upgraded our router from WRT54G V5.0 to WRT110. before we dont have any issues using the ACCESS RESTRICTION from WRT54G but now on WRT110 we encounter a GLOBAL BUG. we are blocking the website like Youtube, Friendster, Facebook etc. on the EDIT LIST TAB we specify 4 IP Address that will not going to access the said websites. The problem is...all Computers (about 15 PC) that are using the Internet cannot access the said website also but we did not enter the other IP's.
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Oct 23, 2012
I tested this with my laptop by setting its access restriction/parental control to always not access the internet. But still my laptop can still search through Wikipedia. Is this because of the router firmware? By the way I'm using the latest Connect cloud firmware.
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Dec 9, 2011
I have a WRT110 and in the access restriction settings section the time is in military. I try to set the restriction from 11:30 pm to 6:00 am. I cannot because it tells me the second time "6:00 am" has to be larger than the first. I don't understand a way around this.
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Oct 29, 2011
All the documentation for this router shows the Access Restriction tab in the router configuration menu. It's the same as other linksys routers. The current version of the firmware doesn't have this functionality. Was it removed?
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Aug 2, 2011
While I was at school there was a system in place where by you had to enter a user name and password to access the internet. Every student had a data limit like 3GB per month for example. I remember it had something to do with a proxy. I would like to recreate this system on my office LAN as some staff members have been downloading a lot slowing down the (very expensive) Internet connection. Limiting each users data will discourage large downloads.
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Jun 4, 2013
I have a 5500 controller that we use to manage our lightweight access-points. We have had complaints that the 'guest' vlan in the boardroom is not usable. Our guest vlan is in fact overloaded.
I went back to the original site survey and noticed that coverage for the room is not ideal so I would like to have a new lightweight access-point installed in the boardroom and somehow limit the access to it to only a few people.
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Feb 28, 2010
Can any ASA 5500 in particular the ASA5510 firewall support jumbo frames (i.e. greater than the default standard 1500 Bytes frames)?. I plan to use the ASAs to setup a point-to-point IPSec tunnel and need an Application frame of 4Kbytes intact and not segment it.I have done little checking on the Cisco Website and see it mention of Jumbo frames on the 5580 on 10Gig interface but didn't see mention 5510. 5580s are way over-kill and expensive for what I need is to run a mission critical one IPSec point-to-point with maximum of no more than 100Kbps so 5510 is perfect for me but not sure if it can carry the jumbo frame?
On the routers and switches it's the MTU settings and they are configurable per interface and I am OK and the circuit is T1 which the Telcos said it's OK since it's physical layer so the only unkown is the firewall.
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Jan 25, 2012
I purchased the license P/N: ASA-CSC20-250U-1Y with Description: ASA 5500 CSC-SSM-20 250-User License Only Renewal (1-year)
But I had a mistake because I need support to 500 users. Now, to solve my mistake I want to know Do I can purchase another ASA-CSC20-250U-1Y to provide the 500 users suppor?
I mean, ¿are two (2) ASA-CSC20-250U-1Y equivalent to the 500 user license listed below?P/N, ASA-CSC20-500U-1Y with Description: ASA 5500 CSC-SSM-20 500-User License Only Renewal (1-year)
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Aug 2, 2011
We had a problem with SMTP inspection dropping some regular emails (Cisco 2901 IOS 15.0). The original configuration.
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