Making Linux Router / Firewall / Proxy From Dell Poweredge 1950?
Apr 7, 2012
Ok, so what I want to do is make a router/firewall/proxy (maybe add webserver/FTP as well). Just to start off I want to say that I have moderate knowledge of Linux, enough to administer it from the CL. I have setup routers before but it was years ago and I've forgotten some of the details involved. What I do is a base LAMP install, with DNS, Samba, DHCP server, OpenSSH and then Webmin for easier administration. I've also installed EHCP (easy hosting control panel) in the past but have not at this point.
So, what I want to know is how do I setup the NIC's in the etc/network/interfaces file. Let's say that eth0 connects to the modem and eth1 & 2 are internal adapters. Currently my network is running a Linksys WRT54GL with DD-WRT and the router is set to DHCP for the WAN connection and DHCP is running on the internal network as well. The modem is at 192.168.254.254 and is giving the router an address of 192.168.254.1 my internal network is 192.168.1.1 (192.168.1.0/24). I would like to setup my internal router address to 192.168.1.1 so I guess I need to set it to static in my interfaces config and then set my eth0 to dhcp. Does this sound correct?
So if I do the above my only question is how do I setup the routing tables after that? I always get messed up when I need to make the switch from my Linksys router to my Linux box. I'm not worried about firewall rules at first I can change those once I have the router up and running. I just don't know if I need to make some kind of bridge to bridge the eth0 and eth1 (external NIC and internal NIC).
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Apr 18, 2012
I'm having a really difficult time getting to find the right drivers for a poweredge 1950. I know it has 2 broadcom on-board NIC's and they work fine in Windows 7 so I feel I should be able to find drives for Vista bus 64. I tried downloading the drivers from the dell site and they turned out to be drives for server 2003 and 2k8, and wouldn't work with Vista.
how to identify the chipset of the onboard NIC's so I can do a better search for the drivers? I tried running Belarc advisor which usually gives pretty detailed info but it didn't even mention the broadcom's.
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Jul 24, 2011
I have a dell poweredge 830 (3.0 dual core pentium, 2gb ram, 2x160gb hdd in raid 1, dual port intel gigabit card). I'm trying to find a router OS that logs bandwidth by ips on the lan. I tried untangle and clearos neither of which have a feature (or one that I can find) that logs the bandwidth by ip. Apparently pfsense has a package you can install but I have never been able to get pfsense to work on this pc, it always errors in one way or another (on the 2.0rc3 I can't access the web page, it says it is missing a file).
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Oct 3, 2011
So I have some rails from an old telecom rack that I am going to build into a four post rack. It's about 24Us. How deep would I need to make the frame so that it supports full length servers like a Dell 1950 or 2950? 40 inches?
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Jun 2, 2011
I working with two PowerEdge R515 systems and for some reason I keep getting strange power errors on the front LCD where it turns orange. It started with one about an on-board regulator failure and this morning when I came in both machines were powered down with a different LCD error, something about the Fault-safe voltage being out of range? They both say to contact support.
I got these error logs this morning. All the power readings show as being ok in the iDRAC page and in ESXi readings.
System BootThe system board PFault fail-safe voltage is outside of the allowable range. System BootThe system board PG voltage is outside of the allowable range. System BootThe system board PG voltage is outside of the allowable range.
The only strange thing i see is that on the power supply tab it says the max input wattage is 750 with the actual input being 972.
Individual Power Supply Elements Status Location Type Input Wattage Max Wattage Online Status FW Version PS 1 AC972750Present03.02.00
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Feb 3, 2011
have a Dell Poweredge 2500, and it only has PCI slots, and i need to get a sata controller to add 1/2 drives to it, i am unsure what would be the best, but i am not looking to spend more than 60 or so for it, i am not worried about it being the greatest out there, as this server is going to be replaced in 6 mths, i am just outgrowing the 4-18.6 gig hot swap scsi drives, and my pockets arent deep enough to buy high capacity scsi drives, i will probably add 1, 1 or 2 Terabyte hard drive and a dvd-rw.
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Jan 17, 2011
I'm a Dell Partner and I've been trying to figure out why I can't order a Poweredge T410 server with 8GB of RAM. The only options are 3GB, 4GB, 24GB, or 32GB. I ordered a T410 for another client at the middle of last year with 8GB of ram. Now they don't offer that. I realize I could buy RAM after the purchase, but I'd rather just buy the server configured the way I need it for the client and not have to worry about separate warranties on the aftermarket memory, etc.
Also, I want to do a custom RAID configuration, as suggested a few times on the forum. Two harddrives in a RAID-1 array for the OS, and four harddrives in RAID-10 (or RAID-5 with a hot spare) array for data.
I did an online chat with Dell and the rep said it was not possible, i.e. what you see in the online configurator is what you get. Do I need to call Dell to get a custom configuration?
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Aug 12, 2009
I have a Dell PowerEdge 2800 (Just reinstalled windows Server 2003) I have tried the two (non lan) network driver setups that dell has on its site and I get "the update package is not compatible with your system configuration".
I am trying to access the internet on my box, how to accomplish this or fix the problem I'm getting while loading driver setup?
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Jan 18, 2012
I was upgrading the OS [c:] on a DELL Poweredge 840 server from Win2k3 server to Win2k8 R2 server using the Dell SMTD DVD to prep the install. This has always worked in the past without destroying the data partitions. (I have now found out this only works properly if the OS is on a RAID 1/0/10 and the data on a RAID 5)
In this case the OS & Data were both on RAID 5 & the Dell tool reformatted (quickly) or maybe reset the partition table so that it looks like one big drive. I noticed this once I got to the install screen for Windows 2008 R2 and shut down the system.
Are there any utilities that can be run from a bootable CD/DVD that can undo the format on the RAID 5 set or else let me browse & recover the data on the various partitions?
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Jan 2, 2013
I have a Dell Vostro 3460 laptop that I would like to dual boot with Linux. I can't seem to get the wifi working in linux.
This laptop is listed as "ubuntu ready" but I can't seem to find a driver for it anywhere. I have tried many solutions from all over the linux community but nothing seems to work. It seems like most of the linux driver sets support all the broadcom chips except this one. I need drivers for the bcm43142.
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May 14, 2012
We're running three networks (inside, outside and dmz). Inside is 10.0.1.0/24, dmz is 10.0.2.0/24, outside is a static ip allocated by our ISP. We'd like to configure the following:All traffic from the outside to [static provider ip] on port 80 should go to 10.0.2.200 port 8080.
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May 12, 2011
We have a customer that recently changed IT Vedors and came to us. We needed to change the ISP and need to make changes in their Firewall. I went out on site and wasn't able to get into the Routers and I contacted the previos company but they wouldn't release that information. So we had to reset the devices and set everything back up. Everything works great except before they had an IPSEC VPN Tunnel between the 2 buildings. Both Buildings have WRVS4400N Routers and I have setup a VPN IPSEC Tunnel on both sides. I have named them the same and the summary says that both are up. But when I try to go from one side to the other I am unable to Ping or resolve anything. I called Cisco but they said they are out of warranty. Cisco directed me here.
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Jan 30, 2013
I have last version of Linux installed.Then I realized that I have no INTERNET connection.looking for a long time I found out the Linux does not recognize the wireless. is that not possible because this does not give for Linux!
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Apr 21, 2013
Within a workgroup environment we have four large drives, statically assigned and all accessbile via VPN. Our FW is a Cisco ASA-5505. Where within the ASA-5505 GUI can one of these drives be made inaccessible via VPN ?
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Sep 1, 2011
I have a customer with an ASA5505 where it will not reply to SNMP polls from any source, i have followed the configuration guide [URL].at and tested another ASA in our internal network and i have that working fine on our LAN, here is the snmp and logging sections of the show-run on the ASA, it there anything obvious im missing to make the SNMP work on this device?
snmp-server host outside 203.XX.75.122 community XXXX
snmp-server host outside 203.XX.84.196 community XXXX
snmp-server host outside 203.XX.86.82 community XXXX
snmp-server host outside 82.XX.244.3 community XXX
[Code] .....
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Dec 20, 2012
We run a 6500 with an FWSM with multiple security contexts as well as cascading contexts with a "shared V LAN" . There is a problem with regards to Linux machines and our shared network.
For example, we have three Linux machines in production, each in three separate V LAN's. For me to communicate to these boxes from one V LAN to another I must first ping the server. If I do not ping the server it will not bring up a connection like ssh or HTTP, etc. Below is the error I get from the FWSM that hosts the Linux server, but like I said once I ping the server the error goes away. We only have this problem with Linux machines, and it is a problem for all three of them. Is the FWSM having issues understanding something with all three Linux boxes? Below is the error I get at first, when I try to SSH from one V LAN to another V LAN with the Linux machine.
6 Dec 21 2012 16:33:54 106015 10.255.12.109 22 10.255.1.30 63000
Deny TCP (no connection) from 10.255.12.109/22 to 10.255.1.30/63000 flags SYN ACK on interface inside.
Below is what happens when I initiate a ping to the Linux Server and then ssh again. Notice it builds the connection with no problem after the ping. During the ping it builds the dynamic translation, and then when I ssh it builds the TCP connection. Do you know why this could be?
6 Dec 21 2012 16:35:08 305009 10.255.12.109 10.255.12.109
[Code]....
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Feb 6, 2011
I have a Dell Inspiron and it had a virus that didnt let me get into anythihng I took care of the virus, but now when I go to internet explorer it says I cant connect (I am connected to the wifi) so it tell tells me something about tools-internet options-connections-LAN settings, but I have no idea how to fix the proxy settings?
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Oct 1, 2012
I was able to connect to my ASA 5510 with a browser, install ASDM, and configure my ASA 5510 with my Windows 7 laptop. Since I needed the laptop for another task, I am now trying to connect using a Linux laptop to do the same, but without success.
I can ssh into the firewall using the management port (192.168.1.1) from the Linux command line. However, I cannot connect using a browswer (192.168.1.1) to install ASDM.
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Jun 28, 2012
I Have web server (linux) sits in the DMZ (asa 5520) segment and this server should be accessible form the internet,
1)how to make this server https based access over SSL
2)how to protect this server form network and security standpoint?
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Jul 10, 2011
I have decided build an open source firewall in linux environment. I have exactly one year to complete this project. The firewall will be a stateful packet filtering firewall working at network, transport and application layers. I would also be provided log analysis features. What I want to know is whether this is a good enough project or put in other words, is it a worthwhile project to undertake?
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May 28, 2012
I would like to connect devices to my network so that their traffic passes through a proxy running on my computer. I figured the best way to do this is by setting the proxy on my router to the one I am running, but then I would need to have another connection to the computer running the proxy or else there would be an infinite loop ?? something like that. so:
Internet -> router (1) -> my proxy on comp A -> router (2) -> computer B
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Mar 28, 2012
I'm running XP and have Bell-Aliant modem SIEMENS Gigaset SE567 running to DI-624 router. It has been working for years but after the internet was down in the area for most of the day, it has failed to reset. I've done the usual un-plug/wait/replug routine a few times but cannot connect. I can connect directly through the SIEMENS but when I introduce the DI-624 back into the mix, I'm not able to connect to the internet. How do I make it happen. I'm not tech savvy so go slow.
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Jul 5, 2011
I have a server having windows server2003 os. I have configured my web application on this server which is accessible over internet using static ip. But I found that there is an risk of viruses on my server. Thats why now I want to configure this server behind the firewall/Proxy as well as dont want to share my static IP.Is there any way to keep server protected using firewall / Proxy application which is free. And also tell me how to nat the static ip.
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Mar 31, 2012
I access the internet from my company�s LAN, which has a restrictive firewall, so I cannot request the admin to open any ports manually for me. Hence I use a software called your-freedom. This proxy software supports both http as well as socks 4 and 5 proxy (by entering the proxy IP 127.0.0.1 (localhost) and Port 8080 for http proxy OR 1080 for Socks Proxy), and I have successfully been using web browsers and some other softwares that support proxy/ allow proxy info to be entered to login/ connect to the internet. Your-Freedom also supports port forwarding.However, the softwares I intend to use do not have any options to enter proxy methods or proxy ports (as far as I have noticed). I have tried to proxify these 2 softwares using softwares such as SocksCap and Free Cap, but either they don�t work, or my settings in proxifying are not correct. I believe I will have to do port forwarding or proxify the softwares, but have been unable to do so in the correct manner.
Following is the info on the 2 softwares:
1.NOW Trading terminal:[FONT=Times New Roman]Normally when I start the NOW or Zerodha software, the software starts and I get a login screen, but under firewall conditions, I get the initial Splash screen but then the software stops with the error: [b][u]NOW Initialisation failed for Interactive Engine << os error>>.
2.PowerIndia Bulls:The software is written in Java and starts with a batch file (PowerIndiabulls.bat) located in C:UsersDEFAULT_USERNAMEAppD..... I converted this batch file to .exe (with battoexe software) and then ran it through a proxifying software. The .exe start properly without proxifying software but not under proxifying environment. Basically the software needs to connect to the internet using Port 443. I am also expected to keep ports 443, 41599 and 59598 open. software's requirement is available at Indiabulls Securities: Indiabulls Securities is a leading capital market company offering securities broking and advisory services, depository services, equity research services to its clients in India. (item no. 5).To confirm, while the software is unable to connect through port 443, you will get an error message: "Connection to Login Server could not be established" when you try to login with any random Username and Password.To know that the software is able to connect properly, you will get an error: "This User ID is not enabled to be used with this product".
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Feb 27, 2012
making a wireless connection from my broadband router model td 8816?
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Feb 16, 2013
I found my dir-601 router keeps making arp query to all ip addresses in same network periodically.all dhcp clients are general laptops and smart phone, I don't think there are any arp cheats attack on those devices.is it normal?
model: DIR-601
hardware version: B1
firmware version : 2.00NA
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Dec 15, 2012
I am using a squid proxy behind an ASA5520 firewall to collect the users to the internet. Squid is just necessary to log what is going on in order to find a quick solution when the internet slows down.
Considering that I have unlimited licenses and I would like to get rid of squid, I wonder if the ASA has some functionalities to track which websites are being used and how much traffic is generated. If there is not, I would like to know if Cisco offers a good product to replace Squid.
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Jan 16, 2012
I'm trying to configure an ASA 5520 with cut-through proxy feature. The user is required to be authenticated when trying to access an outside resource from the inside. This is a test lab before it is implemented in production. [code]
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May 19, 2013
We just recently upgraded a 5540 ASA running 8.2 to a 5555 running 8.6. I have a question concerning disabling proxy ARP with static nat rules in place. We have several instance where devices in a dmz have a static nat entry to the outside and a static nat entry to the inside using the same IP. My question is if we disable proxy arp on the inside interface would that cause device on the inside not to be able to reach the device in the dmz? From what I have seen you don't want to disable it on the outside interface due to all the static nat translations. But we have some that are have nat translation going to the inside as well. How does proxy arp come into play there? Below is a diagram of an example of the setup I a referring to. This is on the new 5555 running 8.6
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Nov 26, 2011
i have a 5505 running 8.4, and my ISP is giving me a /64 IPv6 Prefix. Basically, I have a subnet between my ASA and my ISP's box which is my outside, running into a private subnet (192.168.0.0), as most of ISP does.I have my ASA behind, and i'd like to turn on IPv6 for my inside hosts, but the problem is that I can't modify the routing on y ISP's side, and thus it will assume all host are directly connected in my outside. Thus, I would need some kind of Neighbor Discovery Proxy on the Outside of the ASA. Is there such feature ?
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Apr 15, 2013
Platform: 881WIOS: C880-DATA-UNIVERSALK9-M 15.0(1)M3License:
I have tried both advsecurity and advipservices
Problem: Configuring an auth-proxy redirect on seccessful authentication,Cisco's documentation states that when you are configuring auth-proxy, you may specify a url in which the clients will be redirected to when successfully authenticated.
The command is:,ip admission proxy http success redirect <url-string>,However, the command does not seem to exist on many of the latter IOS versions. I am also unable to find any documentation with alternate methods of sending a redirection to the client after a successful authentication. Is this command depricated? Is there a more efficient method of redirecting?
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Apr 21, 2012
recently i have install asa 5520 (8.2) in my networks.Earlier I was using my transparent proxy with 2821 by the following configuration access-list 120 deny ip host 192.168.112.12 anyaccess-list 120 permit tcp any any eq wwwaccess-list 120 deny ip any any route-map PROXY-REDIRECT permit 10match ip address 120set ip next-hop 192.168.112.12 ip policy route-map PROXY-REDIRECT and was working fine. How i can use my transparent proxy with ASA?
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Dec 3, 2012
I have a problem with my asa phone proxy. i have two ASA 5520 in HA. I have 10 phone register with ASA active primary. if i execute the command show phone-proxy secure-session. i can see the phone session on the ASA.
if i perform the same command on the passive ASA i can't see the session replicated from the active member.
If i switch the cluster the phone enter in a registrating loop and can't connect to the ASA now active.
If i switch back immediately (the session are still present on the first asa) the phone register again and all works
the ASA have version 8.4(5)
the phone are a 7921g
is normal that the skinny don't start again and re-register the phone on the ASA that became active after failover?
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