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  • Users: raceman3
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  1. raceman3

    Disabling Port 5060 and 1720

    We recently had a security scan performed on our Internet routers and it came back showing ports 5060 and 1720 being open. I beleieve these are SIP and h323hostcall which I'm assuming is for VOIP. In any case is there a way to turn these services off or do I have to block them via an ACL...
  2. raceman3

    DHCP Forwarding

    I have two ethernet interfaces and a HSSI configured as follows: int gig0/0 ip address 10.28.3.1 ip helper-address 10.30.1.2 int gig0/1 ip address 10.28.4.1 ip helper-address 10.30.1.2 int hssi1/0 ip address 10.30.1.2 ip helper-address 10.30.1.1 (other side of the wan) Am I missing anything...
  3. raceman3

    Finding Rouge Wireless Devices

    Does anybody have a recommendation on a tool for physically locating wireless devices, 802.11a/b/g, add-hoc networking, and or bluetooth. I've already looked at YellowJacket and they only do 802.11b
  4. raceman3

    HSRP, BGP and load balancing

    We currently have two cisco router running hsrp. The primary router has a T3 into the internet and the backup router has a T1. We just purchased a T3 for the backup router and I would like to load balance traffic between them. Does that mean I delete the HSRP since the second router is no...
  5. raceman3

    Checkpoint Encryption Failure

    I have a Nortel Contivity VPN Concentrator that establishes a branch office tunnel to a Checkpoint VPN. The tunnel comes up and works fine. The problem is when I try to ftp a file from my host to a host on the remote end the Checkpoint sees my Natted address and drops it with the following...
  6. raceman3

    3512 and ACL

    I have a csico 3512 out on the public side of my Internet connection which is what my 3640 router is attached to. I have an ACL in place on the router that only permits Telnet from inside addresses. Is there a way I can do that with the switch as well. I know it is a layer 2 device but I need...
  7. raceman3

    Telnet ACL gone bad

    This should be a piece of cake but for the life of me I can't get the acl on my vty port to work correctly. All I want to do is limit telent to the router so only addresses 10.anything have access, ie internal addresses. I've seen numerouse examples out here and have tried several and they end...
  8. raceman3

    DHCP Advertisement

    We recently had our internet router scanned by a network security company and one of the potential security issues they saw was port 67 "dhcp" being advertised. I'm not sure why it is being advertised since I don't have it enabled anywhere in the config and bootp is specifically...

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