• Protecting our internal network

    Hi Network engineers/ managers, I've been faced with a challenge on how to protect our internal network from threats outside with minimal cost, or none at all (at least for the software when using open source) Can anyone advise me what to use? Ive searched about, CISCO ASA, ISA 2003, SNORT,...

    JuneC155 pointsBadges:
  • Dos attack

    I have been receiving security alert messages from our firewall nearly everyday. e.g TCP Packet - Source:144.120.8.89,39341 Destination:192.168.1.1,25 - [DOS] TCP Packet - Source:210.7.0.36,3473 Destination:210.7.12.23,135 - [DOS] Thu, 2006-10-19 16:30:03 - UDP Packet -...

    92220990 pointsBadges:
  • Packet Filtering information required

    Hi, One of our PC which is running on REDHat is sending SMTP packets to the firewall. Though the firewall drops the packet, it logs the same. We wanted to know : 1. IF we have to run a packet capture tool, where do we run ? - on the firewall or the PC ? 2. We ran network monitoring tool, but did...

    Jagdish60 pointsBadges:
  • How to detect a “stealth user”

    how to find out if you have a stealth user on your system

    IT4dumee5 pointsBadges:
  • Using ISA 2004 to block the majority of sites and allow a few.

    I am using ISA server 2004. In that, I have blocked a few sites. Now our requirement is allowing only few sites and blocking the rest. How can I? Please help me in this regard.

    NetworkingATE1,545 pointsBadges:
  • A networking device to add an IP device?

    I want to know if there is a networking device that can be used to receive a device with a IP address (in this case a DVR) and if this device can then have two outputs and each one being able to be seprately addressed. The reason I am asking this is because I am trying to hook in the DVR into an...

    Dstar5 pointsBadges:
  • How to locally authenticate users using PPTP on a local PIX firewall

    I need to locally authenticate users using Point-to-Point Tunneling Protocol (PPTP) on a local PIX firewall. Once the users have authenticated, I need them to connect to a Windows 2003 server which is hosted at a remote location securely with encryption or some sort of tunnel. I have already got...

    NetworkingATE1,545 pointsBadges:
  • Netgear DG834 fails to block sites using HTTPS

    Using a netgear dg834 we have set a block for www.facebook.com this works fine if the users attempts to contact through HTTP but if they do an HTTPS access then this bypass's the filter and allows them access. Any help would be greatly appreciated.

    CITS15 pointsBadges:
  • Obfuscation of destination IP address

    A self proclaimed security architect told me that there were hacking attacks where the hacker "obfuscated" the destination IP address to confuse the router into forwarding the packet out all of its interfaces and subsiquently the packet would live forever. In my limited knowledge I was a bit...

    Below1110 pointsBadges:
  • sip attacks

    I want to test SIP vulnerabilities using Sipp Message generating tool. i have XML files for generating messages. I have sipp running. But i am not able to execute below command. Run sipp with embedded server (uas) scenario: # ./sipp -sn uas Can i get any help. Thank you Regards Sindhu

    Sindhukakuru30 pointsBadges:
  • How to identify the users in the network

    I am working on my Masters Project in which I am supposed to design a Network Monitoring tool which will identify the users in the network based on their network behavior. I have a network setup with 4 systems connected to a Switch --> Router --> Internet. I connected another system to the...

    Sindhukakuru30 pointsBadges:
  • How to block a specific URL in Cisco routers

    Can you block a specific URL in Cisco routers? If so, can you tell me the steps?

    NetworkingATE1,545 pointsBadges:
  • Disadvantages of installing ISA 2004 on DC

    hi all what is the disadvantege installing ISA2004 on DC ? and we have a router d-link for small office , we are thinking to install isa2004 , I know that isa must have 2 NIC 1 external 1 internal , the problem I thinkin that currently the public ip address is on the router , what ip address i have...

    MCSE69615 pointsBadges:
  • Can Cisco ASA firewalls restrict Internet access to branch offices?

    I have a PPP network between our three office locations. In the master location I have a DSL line connected to my Layer 2 (L2) switch via a Cisco ASA 5505 Firewall. My server (ADC/DHCP/Proxy) is connected to the L2 switch. My branch office locations obtain IP through this server. I am using a Squid...

    NetworkingATE1,545 pointsBadges:
  • VPN password

    We're using a a local database for VPN users. How do I set a new password for an existing user?

    JPBTopaz5 pointsBadges:
  • Routing VLANs to public IPs from Intranet through Fortigate firewall

    We have three virtual local area networks (VLANs) as follows: 1 data, 2 voice and 3 wireless. We have 6506e at the core, and interVLAN routing is working fine. The problem is implementing FortiGate firewall in transparent mode and terminating the ISP on the router with Ethernet output. I am not...

    NetworkingATE1,545 pointsBadges:
  • How to see if my Nmap tcpwrapped port is open after a GFI LANguard scan

    I ran Nmap 4.0 and GFI LANguard GFI LANguard Network Security Scanner (N.S.S.) on a Windows 2003 server and noticed that the FTP Port 21 is open but tcpwrapped. How do I check further if Port 21 is indeed open? I've checked the IIS6.0 and the Windows Add/ Remove program section there's not FTP...

    NetworkingATE1,545 pointsBadges:
  • Restrict users from browsing my computer

    hi can any one of tell how can i restrict the users to browse from my computer, but they should be abile to view my home pages

    Goodindotnet5 pointsBadges:
  • Track USER of Computer online who is using max. Bandwidth in lacal area connection

    Hi All, I am sandeep and working at one software company as system admninstrator. company has 60 user (computer) . we have 2 mb lise line . it go through cisco router. and all computer default gatway ip is the router ip. we have ISA server . Now i want to online moniter this network that which...

    Kapadane105 pointsBadges:
  • Which network security certifications would you recommend and why?

    I have currently finished a degree in Information Science from Bangalore, and I'm looking forward to a career in networking. Though Bangalore is known as the IT hub, I'm somehow not attracted towards the IT sector. I want to do something more security related. The CCNA and MCSE certifications are...

    NetworkingATE1,545 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