Cisco Firewall :: ASA 5510 Websites Unblock To Access Very Slowly
Apr 15, 2013
I have an configuration of ASA 5510:
ASA5510# show run
: Saved
:
ASA Version 8.3(1)
!
hostname ASA5510
domain-name lohoi.local
[Code]..
When i configure to block websites it's ok, but websites unblock to access very slowly, sometime i can't access. My company has 50 users, all most them can't access unblock sites. How can i configure it better?
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Nov 18, 2012
Has ASA5510-K8 as firewall, has access rules setup for restricted PCs: [code] permitOn those PCs, users can only browse the websites that are in favorites, but some of them are working, some are not.Test on unrestricted PC, websites that can’t be accessed from public PCs can be access on regular PCs , either by address or IP.Checked GPO setting, don’t see anything wrong there.
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Jan 20, 2013
I have installed a new ASA5510 with CSC, and everything is working properly except the access to websites using https. All sites/access to them seem to be blocked by the ASA. I have read that this access is by default enabled and I have tried to add configuration to allow https access to the firewall but without success. [code]
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Mar 28, 2012
I have 4 computers using the DIR-615. One of them works just fine (windows 7) the other ones (XP sp3) are very slow, one of which is on the wireless the others are plugged in.
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Sep 18, 2011
How can i unblock websites on my computer
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Mar 30, 2012
I ve been trying to acess some websites at work, but they are blocked via proxy, wich means, the only way you can access the internet is if you type a certain proxy (172.16.0.1, port 8080), at the control panel of your browser. I can only use the internet browser. If I try to change the proxy, to enter the blocked websites.Is there a possibility to unblock the websites without changing the proxy configuration?
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Nov 18, 2011
So facebook and tumblr has been blocked on my computer and ive tried everything to unblock it. its been blocked through my mtom/adsl cause i cant access facebook and tumblr on internet explorer either. I've tried going to command promt and typing in different codes except it doesnt work.how to unblock it on firefox (newest version) ?
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Nov 16, 2011
How to block a single website, but I want to do the opposite. I would like to block all website except for a handful of them. Any example configs?
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Feb 25, 2013
Now, i want to block some websites in cisco asa 5510 and in want to block key word like "sex", "game",..how can i config it?
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Jan 31, 2011
i have cisco asa 5510 as firewall, i was trying to block some site using the link provided below
[URL]
and its working fine, but the problem i am having, when i go to download attachment from hotmail its not downloading, from gmail and other mails its
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Oct 9, 2012
I have a PIX 501 with 6.2 FW. The firewall inside network is connected to a Windows server (Mailserver). I can get access to most websites on all clients as well as on the server. However, there are some particular websites, such as facebook.com that the server and all but one client cannot access. I get a "cannot display the webpage" in internet explorer.
I have disabled the Windows firewall and AV. I have also scanned for any malware and no malware was found.
I found on the forums a "fixup protocol dns" solution, but my PIX version does not support it.
Below is my config:
PIX Version 6.2(2)
nameif ethernet0 outside security0
nameif ethernet1 inside security100
[Code]......
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Dec 26, 2012
I am having an issue where I cannot access certain files on websites. It looks as though the files are accessed via ftp. Could my router be blocking it. I have a Cisco 2801 router acting as a firewall.
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Feb 27, 2012
I have a problem with PIX 506E that meets the version 6.1, and in an simple computer network equipment seems to behave in strange ways because some web sites do not open or very open slow thereby its operation impracticable. On the other hand other web sites open normally.
Querying the web site of the Cisco, I found several documents discussing the same problem but in a later version ( 7.0 ), not in this version 6.1.
I've tried removing the pix from the network , not the error occurred, again insert pix however tested only with a machine, without the rest of the network and the problem persists
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Aug 20, 2012
We have a Cisco ASA 5520 and Web sense. I added a filter but it seems like it is still not allowing us to access a certain website from most of the machines however some machines with the same configuration work on the DMZ. Accessing website tells us:
"Firefox has detected that the server is redirecting the request for this address in a way that will never complete".
Filter I applied on the firewall:
filter url except 0.0.0.0 0.0.0.0 64.18.218.0 255.255.255.0 allow
filter https except 0.0.0.0 0.0.0.0 64.18.218.0 255.255.255.0 allow
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Dec 19, 2011
For some reason I cannot access the internet. My hub shows internet access but my computer won't connect
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Feb 23, 2012
how to Unblock netgear firewall
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May 4, 2013
I have a Cisco ASA 5505 in my home office which has a few PCs behind it with a linux web server running some websites. I can access the websites from outside no problem (i.e. on my iPhone using a 3G connection). However, I struggle to access the websites from within the network. The ASA gives me this error: [code]
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Feb 25, 2013
The schools network has blocked facebook and stuff like that.Now ,i tried with UltraSurf and Tor,but it's still not working.How can i get passed the firewall?
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Aug 18, 2011
My company has a peer to peer network of 10 personal computers without a server. Operating systems from Windows XP to Vista. I've recently installed a Cisco RV120W Wireless-N VPN Firewall. It's configured in DHCP Server Mode with printers/copiers that have static IPs below the DHCP range.
I'm having a problem with certain stations being used for personal networking, shopping, etc. during business hours. Consequently I would like to limit internet access on these stations. However, some internet access is required because of online database software that's an integral part of our business. I've been reading in the Administration Guide about URL Blocking. Would it be possible to give static IPs to certain stations and then limit their internet access to 1 or 2 specific websites?
FYI, I've read about the Trusted Domains and Blocked Keywords but cannot quite understand how to parley this into the solution I need.
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Jan 27, 2012
I would like to know how you can unblock the blocked port to access website on LAN
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Apr 1, 2011
I have an ASA5510 with CSC Module which is inspecting HTTP traffic. We need to be able to use http radio stations. Some radio stations work but some don't work. I excluded my computer ip address from the CSC filtering but i am still unable use certain radio stations. I thought since my computer is excluded from the CSC filtering and some radio stations don't work that it must be the firewall that is blocking the traffic. I removed the rtsp inspection and it won't work.
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Feb 26, 2013
I have some problem with the ASA 5510 ver 7.0(6). My manager wants to keep this as backup. tried lots of things but still users not able to access internet nor can i ping anywhere.For example when i ping 4.2.2.2 i dont get any reply.The runing config is below for ur ref :
HQ-ASA-01# show running-config
: Saved
:
[Code]......
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Nov 4, 2012
This is my first time to use the Cisco ASA 5500 family. I have a request from a user to create an access rule, to allow all LAN traffic to Destination IP address 165.241.29.17, 165.241.31.254 with Destination TCP port 5060,5061,5070 and UDP port 50000-52399.
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Jun 26, 2012
I have a new ASA 5510 firewall, the objective is to set up a DMZ zone. my problem is I can't access to the web server in the DMZ from outside
DMZ ==========> outside OK
INSIDE ==========> DMZ OK
DMZ ============> Inside OK
OUTSIDE ==========> DMZ NOK "FAIL"
I put in attachment the running-config file.
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Oct 5, 2012
Recently powered down device (transformer overhaul) and when it booted back up, unable to access with ASDM, SSH...can access directly using HyperTerm, but have only limited commands...will not accept known user/password credentials. When I issue 'show flash' I can see that there are upgrade_startup_errors.log files, but cannot access them.
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Feb 28, 2013
Is there a way to access the asa in a failover pair that is in standby mode from the primary asa? IE I am logged into the primary asa via command line and was hoping to access the other asa from here.
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Nov 14, 2011
I can't seem to get internet access working from the DMZ network through our ASA 5510. PCs on the DMZ can ping the ASA but can't get out to the internet.I will attach a (cleaned) configure.
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Oct 5, 2012
I need the ssh access on my ASA outside interface and have added
ssh ipremoved 255.255.255.255 outside access-list acl_outside extended permit tcp host ipremoved any eq 22 but this is the log i get from ASA
Oct 06 2012 16:10:04: %ASA-3-710003: TCP access denied by ACL from ipremoved/39884 to outside:ipremoved/22
Cisco Adaptive Security Appliance Software Version 8.2(5) Device Manager Version 6.4(5)
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Oct 29, 2012
I can get access to the internet from the ASA 5510 itself and that is confirmed via pings. However, anything behind the ASA does not have internet access, on any VLAN/sub-interface. I've attached my running-config.
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Mar 3, 2013
I have DMZ n/w 192.166.0.0/24 on which i have nated on public ip
-private ip : 192.16.0.201 (OWA)
-public ip : 61.x.x.x.
when i try to access owa(public ip ) from dmz it is not allowing , From what rules i need to set to get work ASA 5510 8.2
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Feb 27, 2012
the set-up is: a DSL modem in half bridge (it does all the PPPoE connection) passes our static IP (55.167.x.x) to the ASA's outside interface ... (the modem has an IP of 192.168.1.1, but not sure this matters)
then I have one inside interface on 192.168.43.1, which connects to a server and we have a working site-to-site VPN between this server and a client.. so I know most of it's set up right ... nothing else is on the 192.168.43.0/24 network.
the management interface is on 200.200.1.0/24 so it's out of the way and incidentally connected to a dedicated PC, which also has console access via the blue serial cable.
the last interface Main_Network is on the 192.168.0.0/24 network and it's this that I'm trying to get to work... at the moment I just have one Windows PC connected directly (does it need to go through a switch?) into the ASA for testing with a static IP (192.168.0.72), but I can't ping anything outside from the PC... only the ASA's interface (at 192.168.0.30).. I have the gateway on the PC set as 192.168.0.30 by the way.
The ASA can ping all the inside machines and anything I like outside.
Here's my config ... the static routes are there for when this replaces the current modem/router and the whole network plugs into the ASA.
ciscoasa(config)# show running-config
: Saved
:
ASA Version 8.2(5)
!
hostname ciscoasa
[Code]......
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Dec 1, 2011
I lost the ability for my Web server (or any servers in the DMZ) to access the Internet. However, the Web server is still being used fine from the Internet. Here is my config
ASA Version 8.4(2)
!
hostname xxxx
domain-name xxxxx
enable password xxxx encrypted
passwd xxxx encrypted
names
[code].....
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Mar 23, 2013
I bought ASA 5510 about a week ago, very basic configuration and my priority was and still to get access list inbound the outside “Security Level 0 “so I can access my web server from the cloud but unfortunately I could not make it work (((TCP access denied by ACL from 92.40.X.X/52511 to outside:81.108.X.X/80))). ••à>> 92.40.X.X is a pc from the cloud that I used to access my web server and the 81.108.X.X is my public ip address My recent Conf is as follow:
Nat Section:
==================================================================================
Dynamic:
nat (inside,outside) source dynamic any interface <<<To have the PCs that inside the Network to have access to Internet>>>>
[Code].....
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