Networking :: 2 Subnet 1 Httpd Server And 2 Dns Server How To Config?

Jun 14, 2009

I would like to setup 2 linux machine each with two ethernet cards, and need to connect to two subnet e.g. 192.168.*.* and 10.0.*.* . If one linux machine out of order, the other will take over all the services(1 httpd and two named(192.168.*.1 and 10.0.0.1 as server ip). What network config is best and easy to failover to other machine?

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Fedora Networking :: Config The Httpd Apache Server To Upload Files

Jan 6, 2011

my task is to store the data to a file at server sent via HTTP POST, i written suitable cgi script in C, but the PROBLEM is that i can't complete the task, I guess i require server permission to do so, how to configure server or how to get access right from server to store data to a file.

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CentOS 5 Server :: DHCP Config ( No Subnet Declaration For Eth0 )?

Apr 1, 2011

I had a server that I use for Radius DNS and Trying to put DHCP on it I have My pool in it seems right. I have 2 adresses aliased one being a helper IP that the router will send the request to. When I try to start the dhcp server I get the following.

Mar 31 14:33:11 rad2 dhcpd: No subnet declaration for eth0 (76.164.173.2).
Mar 31 14:33:11 rad2 dhcpd: ** Ignoring requests on eth0. If this is not what
Mar 31 14:33:11 rad2 dhcpd: you want, please write a subnet declaration
Mar 31 14:33:11 rad2 dhcpd: in your dhcpd.conf file for the network segment
Mar 31 14:33:11 rad2 dhcpd: to which interface eth0 is attached. **

[Code]...

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Ubuntu Servers :: Config DHCP Server To Assign A Different Subnet For VPN Users?

Apr 4, 2010

I'm establishing a server that runs DHCP server, NAT gateway and VPN server. It have two physical interfaces, one for intranet and one for internet. The NAT gateway will give internet access for intranet. Another site will connect to this server by VPN. I need the server to assign a different subnet for that site other than the local site. Do anyone know how to config the DHCP server? Should I config the client classing, and how to do it?

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Networking :: Config DHCP For Multiple Subnet?

Jun 21, 2010

I have a network with multiple subnets from 10.12.056.0 to 10.12.060.0 using net-mask 255.255.248.0 and one gateway 10.12.056.1. I want to setup a dhcp server and wonder how should I config it? All the hosts in the network using the same net-mask and gateway.

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CentOS 5 Networking :: DHCP Multi-Subnet From Single Server?

Oct 24, 2010

I've got a bit of a question. My network is laid out like this:

The role assignments are thus:

Firewall - sorts out the passing through to the 3 different networks, and acts as the traffic proxy.
Windows 2003 server - Does Active Directory and DNS
CentOS server - FTP and DHCP

Now, my problem is I need the CentOS server to be able to assign IP address to both networks, however, the CentOS server can *ONLY* be connected via the one interface to the firewall. It needs to assign the Windows 2003 server and the eth0 of the firewall an IP address via static DHCP, but it also needs to able to assign the clients dynamically via any address in the 10.23.1.0/24 range. I was thinking that I would be able to create static only assignments for the servers via their MAC addresses, and only have 1 dynamically assignable entry for the clients, and then get the firewall to allow ports 67 and 68 to flow freely between eth0 and eth1, but I wasn't entirely sure of the best way to do all this.

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Ubuntu Networking :: Ltsp Server Subnet - Log Clients To The Parent Domain?

Mar 10, 2011

I have an Edubuntu server with two nics joined to the primary windows domain and I can log on with domain credentials and everything is AOK. I used LikewiseOpen 6 to join the server to the primary domain. So, on my Edubuntu server eth1 is connected to the primary domain and has a static IP. eth2 also has a static IP and is the DHCP for the thin client subnet, connected to a switch. IP forwarding is enabled.

DOMAIN - eth1 - Edubuntu Server - eth2 (SUBNET) - switch - clients

So far, so good: I can log on the thin clients with one of the local accounts specified on the Edubuntu server and with that account I can surf the net and, if I supply domain credentials, browse the primary domain. Problem I have is:

I can't work out how to log on to the primary domain with a Active Directory account directly from a thin client. If I try DOMAINuser to log on, after giving the password, the password screen refreshes and 'domainuser@11.*.21.*'s password' appears under the blank password box. The IP in that message is the IP for the subnet and not the primary domain. I feel like I'm miss-understanding some basic simple step but I just can't figure it out.

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CentOS 5 Server :: TFTP-server Unable To Send Files To Clients Outside It Subnet?

Sep 9, 2011

I have tftp-server running on Centos 5. Clients which are on the same subnet as the server are able to get and put without problems. I have a client that is across the internet that is having trouble getting files from my tftp server. A tcpdump reveals that the client is requesting the same file over and over again. In /var/log/messages, I am see the following error repeated over and over until the client finally gives up.

localhost in.tftpd[12727]: tftpd: read: No route to host

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Server :: Reverse Proxy - With HTTPD Httpd-2.2.3-29.el5

Jul 30, 2010

We are using this url on our testing box and this ip is reverse proxy IP ( 10.192.64.52)

Without reverse proxy:- URL is working fine.

http://10.192.16.77/akc-qa/arsys/ser...TS000000001430

But with reverse proxy its putting escape [%25] in between %3a

[url]

Is it possible to write a rewrite rule to bypass escape [NE] for this particular URL?

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Server :: DNS Server Not Reachable From Different Subnet Intermittently

Aug 27, 2010

We are having two DNS servers working as master and slave in our DMZ network subnet.DMZ network consist other servers also, but only the DNS servers intermittently becomes unreachable (no ping response) from different subnets whereas the internal communication (within subnet) happens at that time.From the DNS server we are unable to ping gateway ip also when the issue arises.We tried changing the port where DNS servers connected in DMZ switch and even reformatted the OS and reconfigured DNS but nothing seems to be working.We even tried changing the IP address of the server but after few days the New IP Address also gets affected

We google around a lot tying to fix the issue but no solution has yet come up.We are not even sure whether it is server issue or a network issue.

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Server :: Change The Webroot Of The Httpd Server - Directory Doesn't Exist - CentOS 5

Jun 1, 2009

I have just configured CentOS server my new office. This is the first time I am using CentOS.

Whenever I am trying to change the webroot of the httpd server, it usually say "directory doesn't exist". whereas which can't be the case as it is home directory of the user.

To achieve this, what Do I need to do?

The second issue, I am facing that whenever I am adding new directories to public_html folder, it is not accessible. as the error page 404 is shown. I have changed the permissions to 0705 and ownership is also transferred to other user. What else is required to make new directories accessible by the web?

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Server :: Correct Fix: Httpd: Could Not Determine The Server's Fully Qualified Domain Name

Mar 23, 2011

I get the following error while starting apache httpd

Code: httpd: Could not determine the server's fully qualified domain name, using <Server's-ip-address> for ServerName I googled it and have come across the following solutions, all of them involve changing the ServerName setting in httpd.conf:ServerName localhost ServerName www.example.com:80 ServerName <ip-address-of-server> ServerName <hostname-of-machine/FQDN>

I am setting up httpd to be accessed from over a LAN, so i don't have a .com domain name. I am thinking of going with the first option, it seems to be working...

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Server :: RHEL 5.1 After Installing Mod_ssl Httpd Server Won't Start / Get It To Work?

Apr 11, 2010

I am trying to do a https access with virtual hosting with apache.

But when I install mod_ssl rpm httpd server does not start again

I am stumped

httpd -t shows syntax is OK

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Server :: Single Wildcard Certificate For Apache Httpd Server And Tomcat?

Feb 10, 2010

I have a requirement of using a wildcard certificate for 5 subdomains running under apache httpd server and 1 subdomain under tomcat.Is there any possibility of using the single wildcard certificate both in tomcat and apache

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CentOS 5 Server :: Httpd Running Very Slow "/var/lock/subsys/httpd': No Space Left On Device"?

Jun 10, 2011

Running CentOS 5 x64 And today my httpd is running very slow and I can't find a fix. Looked all over different forums

When starting httpd I get the message: /var/lock/subsys/httpd': No space left on device I checked that directory above and there is no file called httpd tried rebooting server

Can't do updates too:
[root@u15438957 ~]# yum update
Loaded plugins: fastestmirror, priorities
rpmdb: unable to join the environment

[Code]...

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CentOS 5 Server :: Httpd Out Of Memory Crashes Server?

Sep 11, 2009

My server keeps freezing up requiring a hard reboot.

CentOS release 5.3 (Final)

httpd-2.2.3-22.el5.centos.2

Here is the error in /var/log/message

Sep 11 00:16:20 localhost kernel: httpd invoked oom-killer: gfp_mask=0x201d2, order=0, oomkilladj=0
Sep 11 00:19:14 localhost kernel: [<c0459e7d>] out_of_memory+0x72/0x1a5
Sep 11 00:19:14 localhost kernel: [<c045b352>] __alloc_pages+0x216/0x297
Sep 11 00:19:14 localhost kernel: [<c045c5bf>] __do_page_cache_readahead+0xc4/0x1c6
Sep 11 00:19:14 localhost kernel: [<c0436d9a>] ktime_get_ts+0x16/0x44

[Code]...

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Networking :: VLAN With 2 Router And 2 Subnet - Is Device In Different Subnet Works

Jul 22, 2011

I have TWO L3 + router switch (say switch1 and switch2). I created VLAN100 with VLAN ID 100 in both the switches. I created router 192.168.1.1/24 in Switch1. I created router 192.168.2.1/24 in Switch2. Switch1 is connected with 1.x/24 PCs. PCs are configured with 1.1 gateway. Switch2 is connected with 2.x/24 PCs. PCs are configured with 2.1 gateway. Both Switch1 and switch2 are connected by a trunk to carry VLAN100 data.

1)I have few PCs of 1.x connected to say Switch1 Is it possible for PC with IP 192.168.1.100(x) to ping PC with IP 192.168.2.100(y)?What are the configuration required in both switches to make them communicate ? All the device in both the subnets should ping/communicate with each other.

2)Move PC (192.168.1.100) to switch2. Move PC (192.168.2.100)to switch1.What will happen when PC(1.100) ping (2.100) and vice versa?What will happen when PC(say 1.80 in switch1) pings PC (say 1.100 in switch2) and vice versa? What will happen when PC(say 1.80 in switch1) pings PC (say 2.100 in switch1) and vice versa?

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Networking :: Can't Browse Computer Of One Subnet From Another Subnet

Jul 4, 2011

I installed Redhat Enterprise linux server5. it has two LAN card and two subnet connected to these two LAN card. i can browse network from these two network easily. But i created VLAN on one network card.Now i cant browse network from these VLAN subnet.

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CentOS 5 :: Svn Server Config - Understanding Location Svnpath Parameter On Svn Config

Sep 7, 2009

I was tryin to deploy svn on centos 5 with respect to [URL] I am stuck understandin the location svnpath parameter on svn config

[Code]...

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Networking :: Export Config File From Proxy Server) And Using SSH

Jul 13, 2011

In my company have proxy server using Linux.

Ip Address Proxy Server 1 is: 123.16.201.23
Ip Address Proxy Server 2 is: 123.16.201.24

Every Client: 123.16.3.25,....
and 123.16.4.25,.....
....

- I want export config file on Proxy Server, but i don't know command and i see interface is command line. So hepl me command line and send file to my email.

- In config file on Proxy Server may be disconnect internet for user and Enable coonect internet for user. Hepl me do this?

- I using Ubuntu 10.04LST i want connect file Server on Server ( using WinServer2003).

I just go to company so i have everything don't know system.

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Server :: DHCPD: Subnet On A Different VLAN

Jun 8, 2010

I am trying to provide dynamic IP addresses for devices that are on a different VLAN (101). The server is currently providing 172.17.x.x/16 range for its own VLAN (417). My server is RHEL4 and DHCPD is version 3.0.1. The core switch (Cisco 3750) is configured with ip-helper on VLAN 101 interfacce. Here is my dhcpd.conf file:

authoritative;
ddns-update-style ad-hoc;
omapi-port 7911;
shared-network eth1

[code].....

However my laptop on the VLAN 101 keeps getting IP of 172.17.x.x/16 range..

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Server :: Setting Fix IPAddress And Subnet?

Dec 2, 2009

I am new to Ubuntu 9.10. I have installed Ubuntu and it's working fine. I would like to set fix IPAddress and Subnet.

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Server :: Config Apache Server To List Php, C/c++, Java Files As Regular Txt On Website?

Feb 2, 2011

I try to config my apache server to list all my files: c/c++, php, java files, like the txt file on my server,

e.g /var/www/mydomain/pub

i want to dump all my c/c++, php, java file under the pub directory and I can access it from my domain name,

if I dump txt file, I have no problem to view it, but when I dump c/c++ or php files under pub directory, then I can't view it like regular txt file,

Q: is there anyway I can configure my apache server to view all the c/C++, php, java file as like txt file?

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Server :: Config Apache Server To List Php / C/c++ / Java Files As Regular Txt On Website?

Feb 23, 2011

config my apache server to list all my files: c/c++, php, java files, like the txt file on my server, e.g /var/www/mydomain/pub i want to dump all my c/c++, php, java file under the pub directory and I can access it from my domain name, if I dump txt file, I have no problem to view it, but when I dump c/c++ or php files under pub directory, then I can't view it like regular txt file, Q: is there anyway I can configure my apache server to view all the c/C++, php, java file as like txt file?

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Feb 24, 2011

how to configure reverse zone for x.x.x.x/18 subnet ,all the example on the internet are for /24 or /16 subnets?

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Nov 23, 2010

I have just set up the transmission bittorrent client on my server (using the web interface), and am trying to get the port forwarding right. After noticing low download speeds (and rare uploading), I decided to check if a port needed to be forwarded.

I found many conflicting sites, mentioning both the ranges 6881-6999 and the port 51413 (as well as TCP and UDP versus just TCP). My current configuration is to forward TCP and UDP port 51413 to my server.

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Networking :: Windows 7 Users Can't Connect To Samba Server After Dhcp Config

Jun 27, 2011

I have an ubuntu 11,04 samba domain server, I want to also configure this machine to work as a dhcp server, however this have give me some issues with te windows 7 workstations, my guest is that it have something to do with the iptables because those station do join the samba domain went both server and workstation are conected to a router.

This is the script I use at boot

Code:

#FOR SHARED INTERNET
/sbin/iptables -P FORWARD ACCEPT
/sbin/iptables --table nat -A POSTROUTING -o eth2 -j MASQUERADE

[code]....

I haven't test it with windows xp station but I have use the same code in the past with no problems, and since this is my first time joining windows 7 station i belive there must be some other port that need fowarding.

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Server :: Getting Samba Shares To Work Across Subnet Boundaries

Jul 8, 2011

My environment in a nutshell is like this:
- I'm a member of a Windows AD domain environment that spans many different subnets.
- My client workstation (Windows XP) is part of this domain and resides on one subnet.
- The server I'm trying to get Samba working on (SLES 10) is part of the same domain but resides on a different subnet.
- I want to access shares on the SLES 10 box from my workstation.

Here is what does work:
1. I can ping the workstation from the SLES box, both by hostname and ip.
2. I can ping the SLES box from my workstation, both by hostname and ip.
3. netstat -an shows that the SLES box is listening on ports 139 and 445.
4. I can telnet from my workstation to the SLES box on ports 139 and 445.
5. Output from smbclient -L coolserver (hostname obfuscated):

Code:
Anonymous login successful
Domain=[COOLDOMAIN] OS=[Unix] Server=[Samba 3.5.8-30.4-2516-SUSE-CODE10-x86_64] .....

Code:
Enter cooluser's password:
Domain=[COOLDOMAIN] OS=[Unix] Server=[Samba 3.5.8-30.4-2516-SUSE-CODE10-x86_64]
smb: >
So, cross-subnet communication seems to be working in a general sense and I have verified that my share is present and accessible by my chosen user id.

Here's what doesn't work (from the workstation):
1. Output from net view \coolserver:
Code:
System error 64 has occurred.
The specified network name is no longer available.

2. Output from net view \coolservercoolshare:
Code:
System error 5 has occurred.
Access is denied.

3. Same output as above if I try to connect via IP.
However, when I run any of the above commands from my workstation, I see the following in log.smbd on the SLES box:

Code:
coolworkstation (10.49.140.36) connect to service coolshare initially as user cooluser (uid=12171, gid=500) (pid 29039)
[2011/07/08 00:39:29.098422, 1] smbd/service.c:1251(close_cnum)
coolworkstation (10.49.140.36) closed connection to service coolshare

I'm not really sure how to interpret this because those are the exact same entries that get logged when I connect to the share locally, via the smbclient utility on the SLES box, which works fine... but from the Windows box I get the "Access is Denied" or "The specified network name is no longer available" errors. I also occasionally see this in log.smbd:

Code:
[2011/07/08 01:01:19.858308, 1] smbd/server.c:240(cleanup_timeout_fn)
Cleaning up brl and lock database after unclean shutdown
[2011/07/08 01:01:33.828692, 0] printing/print_cups.c:108(cups_connect)
Unable to connect to CUPS server localhost:631 - Connection refused
[2011/07/08 01:01:33.832127, 1] smbd/server.c:282(remove_child_pid)
Could not find child 29781 -- ignoring

I don't know if that is relevant. I created the Samba user via the smbpasswd utility and my smbusers file maps the system user directly to the Samba user, both of which have the same password. Here is my smb.conf:

Code:
[global]
workgroup = COOLDOMAIN
netbios name = coolserver
domain master = no
preferred master = yes
local master = yes
wins support = no .....

My workstation and the SLES box are both pointing to the same WINS server, which services the entire domain (which is also one of the DC's and one of the DNS servers). I'm really not sure what's going on. I'm guessing it probably has something to do with the subnet boundaries or the WINS configuration or something along those lines. I just don't understand because the smb daemon seems to be logging "successful" sessions from my workstation... but then the session just insta-closes.

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Jul 19, 2010

I installed a server called Oracle VM Manager, which is actually a web based application to manage Oracle VM server.After successfully installed everything, it suppose to be access by browser using But strange thing is, I can see web pages from the server itself with but any other machines to access it with hostname or ip address all failed.

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Nov 6, 2009

it may be a simple doubt i have but i really want to know this,in the httpd.conf file under the server root of apache server.they have instructed not to add a slash at the end when mentioning or giving the path for server root.I think both will still remain the same, then y is that mentioned that way?

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