• How to Block Chat in the Network

    Dear All, I am wrting this mail to you all, to know if any you have been successfull in Blocking Chats on your networks, and if so, then how have you acheived it? Could you please tell me which Ports to Block for MSN, Yahoo, Rediff, ICQ, Skype. I am using a NetAPPs Net Cache C 1300, and I am trying...

    Komlink0 pointsBadges:
  • How can I divide a network in two segments?

    Two companies are sharing a DSL connection, and for security reasons, the network has to be split up. They still have to share the DSL, but should not see each other. It is posible to split up physically, but how do they share the DSL? Can anyone point me to a solution or a guide? Regards and...

    Nikjdk0 pointsBadges:
  • Windows server 2008 disk space problem

    Hi. I have installed Windows 2008 server, and on this platform Forefront firewall. I have a problem: Disk C volume is 30 GB. When I looked up the properties of Disk C, there is 22 GB used space but when I looked up total folders volume on Disk C, all of the volume is 11 GB (Include hidden folders)....

    Eliyevelxan1,235 pointsBadges:
  • How to troubleshoot firewall installation

    How can I troubleshoot my Firewall installation?

    reddel5 pointsBadges:
  • SSG 140 Port Always Hang

    In my office, we have Juniper SSG 140 and 1 port which is the Internet port will always hang everyday and we will need to restart the firewall everyday. Has anyone seen this problem before? If yes, why does the port on the firewall will hang?

    jinteik18,575 pointsBadges:
  • Bypassing Cisco Iron Port

    How do I bypass Cisco iron port web filtering using proxy setting and port numbers?

    Mubs110 pointsBadges:
  • Data vs. perimeter vs. network security

    A short time ago, author Wes Noonan wrote some tips for SearchWindowsSecurity.com about deperimeterization. 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....

    RobynLorusso230 pointsBadges:
  • Questions about our single firewall setup

    We are planning to run the following setup: a firewall between our internal zones and the public internet. Each of our trusted zones use a different VLAN with a 3-layered switch while the DMZ zone is on the firewall itself, trunked to a layer 2 switch on the firewall.Would this setup provide...

    ITKE392,005 pointsBadges:
  • security CheckPoint vs. PIX firewalls

    Dear can any one know which one best technology Checkpoint or PIX?

    Networkfierwall5 pointsBadges:
  • Looking for a solution to our software firewall issue

    I work in a small office and we run a router with a dedicated hardware firewall behind it that filters and routes traffic before it hits the LAN. It seems a lot of our internal PC issues are caused by our current firewall, but we obviously can't just turn it off.Does it make sense for us to...

    ITKE392,005 pointsBadges:
  • I might be creating a virus accidentally. What should I do?

    This has been happening to me a lot lately...I'm writing an application in Delphi and after I compile it, my antivirus scanner is telling me that I'm actually creating a virus and it immediately deletes the executable again. It's easy to fix (by doing a full rebuild) or simply waiting but it's...

    ITKE392,005 pointsBadges:
  • I’m getting several suspicious connection attempts. What should I do?

    I'm currently running Mac OS X and I currently have a system firewall and stealth mode enabled. When I opened up my system console, I discovered a ton of blocked connection attempts from different places that I'm not familiar with. I've actually checked the locations are some are located in China...

    ITKE392,005 pointsBadges:
  • How do you protect a server against Denial of Service attacks?

    How do you protect a server against Denial of Service attacks? What techniques do advanced firewalls use to protect against DoS/DDoS attacks?

    ITKE392,005 pointsBadges:
  • Is it really necessary to block outgoing ports?

    I've been told that when I'm setting up my home network, I should make sure that all outgoing ports on my router should be blocked, although I should allow certain ones to open to support HTTP, HTTPS, etc. This even though I have a firewall in place. But is this really necessary if every computer...

    ITKE392,005 pointsBadges:
  • Is it possible to block souce IP’s by their presence in a BotNet?

    A friend of mine in the security industry recently told me that many DOS attacks and general "black hat hacking" attacks usually happen over the TOR network. Would it be possible to dynamically block source IP's by their presence in a BotNet?Would this be effective in blocking DDoS attacks? How...

    ITKE392,005 pointsBadges:
  • Testing stateful firewall with TCP/IPv6

    This may seem as a general question but I'm wondering how experienced users actually test "stateful firewall" with TCP/IPv6. I would include these two tests:Echo reply without requestTCP ack without synIs there anything else other than this? Especially that pertains to IPv6?

    ITKE392,005 pointsBadges:
  • Edge Router Firewall Question

    Is there a reason why I should run VPNs and Reflexive ACLs on a firewall with NAT + routing functions on the router, if the router alone can take care of it?

    ITKE392,005 pointsBadges:
  • Why is this suspicious VMware connection bypassing my firewall?

    I'm currently using VMware 5 and I've noticed recently 2 connections are appearing when I start it up. TCP 10.100.100.161:55555->as-40816.engx.vmware.com:https (ESTABLISHED) TCP 10.100.100.161:55556->a184-85-99-51.deploy.static.akamaitechnologies.com:https (ESTABLISHED) But the problem is...

    ITKE392,005 pointsBadges:
  • Is a local firewall actually necessary?

    I'm not a security expert but is having local firewalls (enabled on different machines) necessary if you're already running hardware firewalls, like Netgear, that controls in/outbound connections?Does it just added another layer of protection? Thanks!

    ITKE392,005 pointsBadges:
  • Security differences: Proxy vs. Firewall

    I've been doing some security research for one of my coworkers and I figured out that putting a 'proxy' refers to that "man in the middle" by allowing/denying access to certain resources.In terms of security, does proxy add added security (compared to a firewall)?

    ITKE392,005 pointsBadges:

Forgot Password

No problem! Submit your e-mail address below. We'll send you an e-mail containing your password.

Your password has been sent to:

To follow this tag...

There was an error processing your information. Please try again later.

REGISTER or login:

Forgot Password?
By submitting you agree to receive email from TechTarget and its partners. If you reside outside of the United States, you consent to having your personal data transferred to and processed in the United States. Privacy

Thanks! We'll email you when relevant content is added and updated.

Following