Mcafee Firewall Preventing Access To Computer On Network

Dec 6, 2011

I have 3 computers on my network. The main computer is protected by mcafee. The other computers can not access the public folder on this computer. I know that the problem is the mcafee firewall because when i switch the firewall off the other computers have full access to this folder. This problem started with a mcafee upgrade. I want to keep the mcafee firewall,

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Sep 28, 2012

prevent someone from putting their computer on a network with a static ip that is already on the network so it does not cause a conflict. I'll try to do the short version of what happeend (ip numbers wont be accurate) has his laptop with him set to a static ip of 192.168.0.1 and connects it to our network and our file server which is also the dhcp and dns is set to that ip address. So when he connected it it basically brought down our whole network....

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[code]....

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Jun 11, 2011

I suspected her router... however I took it to my home to try it out on my router (whihc works fine on all our computers here).... and the same problem.. her computer says it's connecting.. accepts the WPA key etc.. but still no internet appears. when you hit diagnose on the failed window.. it says firewall or security settings are preventing acccess to internet!

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To prevent the whole interwebs from accessing my router's settings, I've quickly forwarded port 80 to a non-existent IP on my LAN. However this solution feels a bit fragile, so how can I ensure that only computers from inside my LAN can access the routers GUI?

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Feb 26, 2013

This is just a tip that we used on our controllers that I wanted to pass along. We were having issues with unwanted access points associating to our controllers. We had a stack of older 1242s that came up missing and hit our network. On way we came up with to prevent this was to number all of our wlans above I'd # 16 on the controller. By default the default ap group allows all wlans from 1 to 16. By starting with 17 we are not allowing any SSIDs in the default group. All if our production access points are in their own ap groups. Any access point that hits our controllers that has not been configured with the correct ap group name will be in the default ap group and will not be servicing any SSIDs.I know there are other ways to set this up but this was a tricky way for us to set it up and see who calls about there wireless not working.

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Cisco Firewall :: ASA 5510 Preventing External SNMP Response

May 13, 2010

I have the following setup:
 
R--H1
|
F
|
H2
 
R: 3840
F: ASA 5510
H: Hosts 1 and 2
 
I am trying to get SNMP info from the router to H2 but snmpwalk errors with no response from router. I can get info from H1 and neither interface on router is preventing SNMP traffic from coming or going.Is there something that needs to be configured to allow SNMP traffic (orginating from INSIDE) to reply? (Also note that there is no Inspect Maps blocking and SNMP versions).

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Jul 10, 2012

Is there any way to provide QoS using Cisco Routers and switches and MCafee FW? ( I don't mind the model of the devices, I just need to know if there's a posibility).

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Oct 31, 2012

I'm using a Cisco AG3560 to run my wccp re-direct and have a McAfee for my web gateway. My IP for the web gateway is 10.1.252.19, and my wccp router is 10.1.3.10. For whatever reason the web gateway is able to see the router and the "here i am packets" but I cannot get anything to redirect to it. My wccp config is below.

ip wccp 51 redirect-list 120
!
interface Loopback0
ip address 10.1.254.17 255.255.255.255

[code]...

I have the Web Gatewy setup with process 51 and my router on the WG is 10.1.252.10.

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Jul 1, 2012

How do I access shared folders over network XP pro v2002 sp3.I set up a network and have a workgroup called Workgroup. when I go to "entire network"->microsoft windows network->Workgroup and attempt to enter a certain computer I receive the message:"\comp_3 is not accessible. Yu might not have permission to use this network resource. Contact the administrator of this server to find out if you have access to permissions.Multiple connections to a server or shared resource by the same user, using more than one user name, are not allowed. Disconnect all previous connections to the server or shared resource and try again."What should I do? I have already enable netbios in the tcpip for the LAN for both computers. I have put on a password for the user of the computer that holds the file and subsequently get prompted on the remote computer, but even after entering the username and password of the host computer I still get this message. What do I need to do to access filesfolders on another computer?

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Feb 29, 2012

have a VPN set up through windows 7 at home. Until recently, I've always been able to connect to my VPN with my work laptop and access the files on my home computer. Now for some reason, my home computer no longer shows up under "network". I can connect to my VPN without issue, but the home computers just do not show up and I cannot access the files

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Jan 3, 2012

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Jul 20, 2011

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Internet Access Gets Cut Off By One Computer In Network

Nov 9, 2012

Since a while back my internet access dies intermittently. I have a bunch of computers (mine, the kids, media stations etc.) in my network and one of them is configured to run two different instances of Windows: One for serious stuff (like work) and another for leisure. They're both Windows 7 Ultimate x64 instances and I use BootIt NG for this dual boot setup. Now, when I run the "work" instance I have no problems whatsoever but when I fire up the "game" instance internet dies off at irregular intervals, usually once or twice per hour.I've tried the usual stuff like resetting the IP stack (with ipconfig) and reinstalling the network card driver but the only thing that facilitatess is restarting the VDSL modem/router. I have also replaced the VDSL modem. What's really queer is that all other computers also looses internet access when this happens. And, if this wasn't strange enough, I never loose my WIFI, just the cabled network.

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Apr 24, 2012

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Feb 8, 2012

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Block Internet Access To Computer On Network

Apr 14, 2011

How can I block my son's computer from internet access through our wireless router without having his computer in hand? I have accessed the router on line but don't know what to change there.

[code]...

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Oct 12, 2012

I suspect that he did something and gained remote access to my computer.I found out about it when I checked my wireless connections on my router and found his name on the network : Steve's - Iphone and a couple of unfamiliar connections. I then opened my task manager and ended some tasks I thought were possibly infected. When I went back to the wireless status, the unfamiliar connections disappeared.

I use Norton firewall + kaspersky internet security and my virus definitions have always been up to date, but I cannot detect anything. I also set my options to permit only MAC authenticated computers and changed my wireless WPA/WPA2 key, but every time I turn my wireless on, this guy somehow is connected to my network. [code]

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Sep 6, 2012

Few days ago the wireless in my son's Dell Inspiron 620 went bad. It does connect to my old router (WEP), but speed is terrible and connection goes bad after some time. I can also see my modern router and enter the key successfully (WPA2), but it won't connect. Connection to both routers went well for months before, and still goes well from all other devices in the house.

I read the issue with McAfee that was posted late August and followed the steps. Connection in safe mode didn't work. Then I removed McAfee from the PC, no difference. Then I restored the PC to a couple of days before the issues began, removed McAfee again (as it came back through the restore), no difference.

I reinstalled the drivers of the Dell wireless card, no difference.

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Mar 5, 2013

I am trying to transfer files from Laptop A to Laptop B. I can transfer files from B to A, but I can't transfer them from A to B. When I try to, I get an error message saying "Windows cannot access Laptop A".It then gives me the option to diagnose the problem (I'm using Vista on both laptops, by the way). When I click that, it gives me the error of "Cannot communicate with Laptop A. We pinged the remote host but did not receive a response".Laptop A is connected to the network according to it, it can access the internet fine and can access other laptops on the network fine. I have disabled the firewall, shared the folders appropriately, made sure they were both on the same workgroup (they are both on the default Vista WORKGROUP), and still nothing.

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Computer Connected To Router Doesn't Access Network

Jan 20, 2012

I bought a wireless router (TP-Link / TL-WR740N) an install it , it works with my laptop and telephone. no problem.now i connected another desktop computer to the router through a wire (LAN port) because the PC has no wire capability , the problem is that i cant access the net.

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Sep 17, 2011

My computer is running on Windows 7. It has had no prior internet connection problems. It is wired to my DV-2020 router. My internet suddenly disappeared, as in, it doesn't work anymore. I'm not sure as to when it disappeared due to my personal absence, but from what I heard it was either during 'starting a game' or 'installing firefox add-ons updates'. Internet does work on other computers sharing the same internet (wired and wireless). On the computer that does not have access to internet it gives a "local area connection - No Network Access" and "local area connection - unidentified network." So far I've tried:

A system restore.
Restarting the router (at home as well as the provider)
Changing wiring.
Disabling / Enabling.
Disabling virusscanner.

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Jun 21, 2011

I have a Linksys wireless G Router (WRT54G5 model) and I've recently had some problems with it. First problem, I cant find my wireless network from my desktop, but it shows up on my laptop but it wont let me access it from there. The power, wlan, port 1, and internet led lights are all on and green. How can I get my wireless network to show up on my desktop and how can I access it from my laptop? If I unplug my router for 30 seconds and plug it.

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Nov 19, 2012

I can't access anything on the network. The computer is a Dell running Windows Vista Home Premium. All attempts to access the network fail (ping, local shares, http) and other machines cannot access this one. Network & Sharing Center shows a fault between the Home Network and the internet, however I am unable to Ping or be Pinged by other computers on the Home Network. Other machines on the network are working fine both wired and wireless, although the machine in question is wired only (no wireless NIC).

The following items have been attempted, some many times, in no particular order, all producing no change in symptoms (not a complete list).

Network & Sharing diagnose & repair/reset NIC card.
Cold boot.
Last known good.
Safe mode with networking support.
Disable/stop all non-essential services & applications including firewall and antivirus.
Upgrade network drivers.

[code]...

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Mar 28, 2011

Can I Access Network Drives/Printers If The Host Computer Is On The Welcome Screen, Or Does It Have To Be Logged Onto An Account.

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Nov 24, 2011

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Oct 25, 2011

I'm working at a high school which has pretty large grounds. The network is configured via one central router and a lot of access points. Recently, they shut down my access point for a moment after connecting it again. The access point works fine (after finding my problem we've tested a lot of computers and they all connect to it and the internet). My laptop and my desktop - the only computers connected to access point when it was rebooted - do not connect to this access point however!

Instead, they "choose" to connect to an access point farther away, so that my signal strength is extremely low (and hence, my internet connection is very poor).How do I get my computers to connect to the previous access point with the strong signal?

The laptop runs Windows 7 32-bit and the desktop runs Windows 7 64-bit.

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Feb 12, 2013

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Nov 20, 2011

My home desk top is set up with D-Link Xtreme N Dual Band Router. I have no problems accessing the internet on my desk top computer. I am trying to access my home wireless network through my HP laptop computer. The wireless network status is Limited or no Connectivity. I've tried the "repair" button with no resolution. The wireless connection is set to automatic.

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Oct 8, 2012

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1) do I need to do anything else, and;

2) what does room mate have to do on his computer (if anything)?

I've spent quite a bit of time trying to figure this out on my own but somehow I don't feel quite sure that all my files/folders are not viewable by anyone else.

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