0
votes
0answers
35 views

ISC DHCP Server - Client Uplink Is Not Working

Running a DHCP server, client(s) does not have up-link (0Mbps) and has a downlink (50Mbps.) I am setting up a gateway/router on a PC running Debian Wheezy with ISC-DHCP. I have 1 WAN (eth0) and 2 LAN ...
0
votes
1answer
142 views

Can't obtain ip-addres from my DHCP server

I can't obtain a ip-addres from my dhcp-server and it's going trough a firewall (pfsense), The firewall(pfsense) and DHCP server are two virtual machines on my physical server(ESXI). As rules i use ...
0
votes
1answer
82 views

Connect another LAN to WAN port of Zywall 10w

Preamble: In my company we add a new Vodafone's router that's already compromised my working DHCP server. That's because Vodafone refuse to disable the DHCP server of their router. So I figure out ...
1
vote
1answer
1k views

Juniper SSG5 DHCP IP Pool is full. Unable to offer IP address to client

hope we have some Juniper guys around, I have configured a Juniper SSG5 as our main firewall/router the DHCP server set on interface bgroup1 to have a rang from 10.10.10.76 to 10.10.10.210 All ...
0
votes
0answers
57 views

IP Helper Policies

So I'm fairly new in the higher-end Firewall market - but recently have purchased a Sonicwall (2nd hand for lab) for lab purposes. I have a LAN interface configured on 192.168.0.1 and a Wireless AP ...
1
vote
1answer
2k views

DHCP relay through Fortigate 60B firewall isn't working

I inherited a network with a Fortigate 60B firewall. The VPN dial up client works right now as long as I specify a static IP. Problem is, it becomes hard to manage when I need to assign each and every ...
1
vote
1answer
100 views

Cisco SA520 to Adtran 1234 no DHCP transfer

I am trying to set up a Cisco SA520 to run DHCP on my network. I have a vendor provided switch, the Adtran 1234, and it provides DHCP for our phone systems on VLAN 200. I do not have access to the ...
1
vote
0answers
127 views

Given IP address, but can only ping sometimes

I have a debian server that acts as a wifi router and DHCP and FTP server. I want to connect to this server using a Canon Wireless File Transmitter. I can connect and receive an IP address. I can ...
4
votes
5answers
818 views

Host DHCP services on server or firewall/router?

I've been debating with myself about the best place for hosting a LAN's DHCP services. I have the option of either on a sonicwall firewall or a Windows 2008 server. The two things I was looking for ...
1
vote
1answer
62 views

What is the best way to authenticate only certain computers/devices on a network for a web server?

Currently I'm trying to use Windows Firewall service and select 'only these accounts'...but that isn't working. Normal access to file shares works by selecting said accounts but not to the web server ...
1
vote
2answers
3k views

pfsense setting up as transparent firewall - dhcp issue

I followed the directions to set up pfsense in bridged / transparent mode per the instructions at http://doc.pfsense.org/index.php/Configuring_pfSense However I can not get a dhcp address from my ...
0
votes
0answers
3k views

pfSense - simple DHCP relay configuration - how?

I am trying to figure out how I can have a machine on the "LAN" nic of pfSense get a DHCP address from a DHCP server on the "WAN" nic of pfSense (happens to be a Windows Server 2003 machine if that ...
0
votes
2answers
74 views

Strange IP address behavior

We are having a strange behavior on our company network. From time to time a IP that is given out by the DHCP server "stops" working externally, internal network access is working and DNS lockups is ...
1
vote
1answer
1k views

Iptables - Allowing only a single dhcp (relay) client

I am trying to create a firewall rule on an Ubuntu 10.04 server running isc-dhcpd. I only want dhcp to be accessible by a single relay host (172.1.1.1). I have iptables set up like so: # iptables ...
1
vote
2answers
165 views

Bootrequests coming from Cisco Switch

I have two Cisco switches that are sending out DHCP BootRequests and they're hitting my firewall about once a minute or so. What is it trying to do? How can I stop it?
0
votes
1answer
631 views

Multiple SSL services using single IP address or multiple DHCP on single interface

So, in the world of SSL/https you can just bind a new static public IP address to the firewall internet interface and use one SSL service (like an https://site, Outlook Anywhere or something like RDP ...
2
votes
3answers
184 views

Looking for an all-in-one Network Security solution [closed]

At my company, we are currently using TradeShield / iShield as our gateway to the internet. It is also our DHCP server, content filter, and internet usage monitor. However, I find that the software ...
0
votes
2answers
443 views

Windows 2003 routing/firewall/dhcp/… problem?

I have a problem with the availability of server from the outside (from local network all works perfect). A key problem is the http, where the requests are carried out but only if the response is less ...
2
votes
3answers
784 views

Central configuration for DHCP, DNS and Firewall

What software do you use for central network management ? What I mean is, you record a machine's name, mac address, open ports and other info, and the program generates DHCP, DNS and Firewall ...