Network security Questions


asked by:
5 pts.

Desktop firewalls: Windows XP vs 3rd party
For those with more experience with Windows XP, what do you think of the native personal firewall software? We recently upgraded a remote user to Windows XP from Windows 2000 Pro (actually, he got a new laptop). He connects to the Internet over DSL and we installed a free ZoneLabs firewall when he was running [...]

Answer Question   |  May 17, 2005  7:09 PM
Desktop vs network-based firewalls, Firewalls, Forensics, Incident response, Intrusion management, Microsoft Windows, Network security, VPN, Windows XP, Wireless
asked by:
0 pts.

Data vs. perimeter vs. network security
A short time ago, author Wes Noonan wrote some tips for SearchWindowsSecurity.com about <a href=http://searchwindowssecurity.techtarget.com/originalContent/0,289142,sid45_gci1007026,00.html>deperimeterization</a>. He explained how security is always pitted against business needs, and perimeters have become porous because businesses require traffic from SMTP, HTTP or VPNs to pass through the firewall. He then offered techniques for keeping data safe in spite of [...]

Answer Question   |  May 4, 2005  4:36 PM
Administration, Application security, Architecture/Design, backdoors, Biometrics, Compliance, configuration, CRM, Current threats, Database, Desktop vs network-based firewalls, Digital certificates, Disaster Recovery, Documentation, Encryption, Exchange, Features/Functionality, Firewalls, Forensics, Hacking, Host-based IDS/IPS, human factors, Identity & Access Management, IDS vs IPS, IDS/IPS management, Incident response, Installation, Instant Messaging, Intrusion management, Managed security services, Management, Network security, Network-based IDS/IPS, Networking, Outsourcing/Managed services, patching, PEN testing, Platform Security, Policies, Product evaluation, provisioning, Risk management, Secure Coding, Security, Security management, Security products, Security Program Management, Security tokens, Service and support, Signature updating/Management, Single sign-on, Software vs appliance, Spyware, Trojans, Viruses, VPN, Vulnerability Assessment & Audit, vulnerability management, Wireless, worms
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0 pts.

PIX VPN DHCP Relay not relaying DHCP packets
Hi, I’ve setup a VPN across 2 PIX506e’s using primarily the PDM software. IT is a very basic setup using PDM. I also needed DHCP relay to relay from clients on pix B to pixA and then the dhcp server. So I add in the DHCP relay server address on pixB and point to the [...]

Answer Question   |  May 5, 2005  12:13 PM
Administration, Architecture/Design, Cisco, DHCP, DNS, Firewalls, Forensics, Incident response, Installation, Intrusion management, Management, Network security, Networking, Networking Equipment, Networking services, Routers, Security, Service and support, VPN, Wireless
asked by:
0 pts.

asked by:
0 pts.

Segmenting the LAN for Security purposes
The worm Mspn32 came in on one machine behind the firewall and spread over e-mail or network to other departments. Could I isolate a worm once it’s inside by dividing up my LAN into departments or sections with either departmental firewalls or managed switches and VLANS? Anyone doing this, experience with either, recommended hardware or [...]

Answer Question   |  April 20, 2005  5:40 PM
Firewalls, Forensics, Incident response, Intrusion management, Network security, VPN, Wireless
asked by:
0 pts.

Found Trojan.ByteVerify on my computer
Hi All, Symantec recently discovered Trojan.ByteVerify on my computer. I run system checks weekly and am always cautious about the e-mails I open, the web sites I go to and what I click on, so I was pretty surprised to find I had a Trojan. It was quarantined and removed, but I’m worried about what [...]

Answer Question   |  June 24, 2010  10:20 AM
Administration, Architecture/Design, backdoors, Compliance, configuration, CRM, Current threats, Disaster Recovery, Documentation, Features/Functionality, Firewalls, Forensics, Hacking, human factors, IDS/IPS management, Incident response, Installation, Intrusion management, Management, Network security, patching, PEN testing, Platform Security, Policies, Risk management, Security, Security Program Management, Service and support, Signature updating/Management, Spyware, Trojans, Viruses, VPN, vulnerability management, Wireless, worms
asked by:
0 pts.

Backup of Router & Pix IOS
How can we protect our router & pix firewall & how can we recover the ios when ios is totaly corrupted. how can we take backup of ios through tftp server. Please guide step by step as i am new to router & pix firewall. can u provide me website link from where i get [...]

Answer Question   |  April 19, 2005  5:08 AM
Administration, Cisco, Firewalls, Forensics, Incident response, Installation, Intrusion management, Network security, Networking, Service and support, VPN, Wireless
asked by:
0 pts.

I’ve been hacked — I think….
I’m an IT administrator with a little over 500 end users, running Windows 2000 and XP. One of our users is experiencing a problem with her Internet connection suddenly dropping for no apparent reason. When she restarts her computer, everything works fine for awhile, but then the connection drops again. The funny thing is, she’s [...]

Answer Question   |  August 2, 2009  9:52 AM
Administration, Application security, Architecture/Design, Bigfix, Biometrics, Cisco, Citadel, Compliance, Computer Associates, configuration, Configuresoft, CRM, Cylant, Database, DataCenter, Desktop antivirus, Desktop management applications, Digital certificates, Disaster Recovery, Documentation, Ecora, Encryption, Enterasys Networks, Exchange, Features/Functionality, Firewalls, Forensics, GFI, Hewlett-Packard, Host-based IDS/IPS, Identity & Access Management, IDS vs IPS, IDS/IPS management, Incident response, Installation, Instant Messaging, Internet Security Systems, Intrusion management, Juniper Networks, Managed security services, Management, Microsoft Windows, Network Associates, Network Elements, Network security, Network-based IDS/IPS, NFR Security, Outsourcing, Outsourcing/Managed services, patching, Patchlink, PEN testing, Platform Security, Policies, Product evaluation, Product/Service evaluation, provisioning, Redundancy, Risk management, Sana Security, Secure Coding, Security, Security Program Management, Security tokens, Service and support, Service contracts, Service evaluation, Shavlink Technologies, Single sign-on, Snort/Sourcefire, St. Bernard Software, StillSecure, Symantec, Tripwire, Vendors, VPN, VSecure, Vulnerability Assessment & Audit, vulnerability management, Wireless
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0 pts.

PIX – Allow UDP replies in.
Hi All, The president of my company has started to use skype (www.skype.com). There is a function in the program to do file transfers. When we try that the program show that it has to relay the transfer and when it does that it limits the bandwith to 0.5kB/second. I’ve pasted the documentation that skype [...]

Answer Question   |  April 8, 2005  9:56 AM
Administration, Cisco, Firewalls, Forensics, Incident response, Installation, Intrusion management, Network protocols, Network security, VPN, Wireless
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0 pts.

Cisco PIX VPN Bridging – Am I missing something??
Hi, I’m tryin to set up a VPN between two internal sites on the same subnet. I have 2 PIX 506E’s linked together (physically) in my test lab (on outside interfaces). All the configuration examples I’ve seen of setting up a VPN is between 2 different logical networks. However, I want them to act as [...]

Answer Question   |  April 9, 2005  7:21 AM
Administration, Architecture/Design, Cisco, Features/Functionality, Firewalls, Forensics, Incident response, Installation, Intrusion management, Management, Network security, Security, Service and support, Vendors, VPN, Wireless
asked by:
0 pts.

asked by:
0 pts.

How to BVlock port on Pix 506 Firewall
I am new to networking. I want to know how can i block the port in the network through firewall & proxy. Anybody can provide me some documenation on PIX Firewall & its basics.Pl. send some inportant site address to expand my knowledge. Bye Pramod

Answer Question   |  April 4, 2005  6:17 AM
Firewalls, Forensics, Incident response, Intrusion management, Network security, Networking, Routers, VPN, Wireless
asked by:
0 pts.

Use of TFTP
Why is the use of TFTP discouraged on the network from a security perspective?

Answer Question   |  April 4, 2005  7:13 AM
Firewalls, Forensics, Incident response, Intrusion management, Managed security services, Network security, VPN, Wireless
asked by:
0 pts.

Help required in configuring ISA server 2000 firewall
Hi all, I have some queries related to Microsoft ISA server 2000. First of all I want to provide some info about my network. In my network most of the systems are using different flavor of MS windows and one computer (call it server1) is providing internet access to all the other computers (clients). There [...]

Answer Question   |  March 28, 2005  4:34 AM
CIO, DataCenter, Firewalls, Forensics, Incident response, Intrusion management, Microsoft Internet Information Server, Network security, Networking, Networking Products, Servers, Tech support, Vendors, VPN, Windows, Windows 2000 Server, Wireless
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0 pts.

Cisco ACS, PIX and VPN problem
I am trying to configure Cisco PIX to accept vpdn connections that will be authenticated by the Cisco ACS after looking up username and profile details in Active Directory. I am seeing failed attempts on the ACS – so I think the config is ok (below) access-list acl_in permit ip 10.xxx.xxx.0 255.255.255.0 10.xxx.xxx.0 255.255.255.0 access-list [...]

Answer Question   |  March 10, 2005  3:41 AM
DHCP, DNS, Firewalls, Forensics, Incident response, Intrusion management, Network security, Networking, Networking Equipment, Networking services, VPN, Wireless
asked by:
0 pts.

How to do a Linux DMZ Intranet with Windows authentication?
I am designing a new network that has a DMZ containing Linux webservers and behind a firewall separating the DMZ a Windows backoffice . I want to run our company Intranet on the DMZ side using Linux but I want to limit access to employees both from the Internet and behind the firewall using windows [...]

Answer Question   |  March 23, 2005  11:58 AM
Biometrics, Digital certificates, Firewalls, Forensics, Identity & Access Management, Incident response, Intrusion management, Linux, Microsoft Windows, Network security, provisioning, Security tokens, Single sign-on, VPN, Wireless
asked by:
0 pts.

Blocking P2P in SBS2003 network with no ISA Server
Hi All, I manage a small SBS2003 network, which doesn’t have ISA server – i.e. the SBS box and all clients are wired via a switch to the ADSL router (Netgear DG384G). One of the users has been downloading MP3′s from a P2P network and I want to block this sort of activity. Can I [...]

Answer Question   |  March 10, 2005  4:00 AM
Firewalls, Forensics, Incident response, Intrusion management, Network security, Networking, Security, VPN, Wireless
asked by:
0 pts.

CITRIX – How to Print outside LAN to OFF-Site printers
I need your help in this scenerio! what are your 2 cents? Goal: To go to a FULL Citrix Enviroment, Aiming at Thin clients, maybe linux based Off-site: Offices connect through the internet, they have DSL/T1′s. Right now they are using Citrix successfully. If they have a printer over there and they are not in [...]

Answer Question   |  February 17, 2005  3:27 PM
Administration, Firewalls, Forensics, Incident response, Intrusion management, Management, Network security, Security management, Security products, VPN, Wireless
asked by:
0 pts.

VPN and email
Hello, I set up a VPN on the office server and I am not allowing split tunneling. Now I am trying to set up a laptop to access the VPN, the Outlook Exchange serve, internet and email. Igot the laptop connecting to the VPN and set it up to use the proxy on the server [...]

Answer Question   |  January 14, 2005  4:24 PM
Firewalls, Forensics, Incident response, Intrusion management, Network security, Networking, Security, VPN, Wireless
asked by:
0 pts.