Server :: Slackware - Hosts File Is Not Amended Maillog Shows Connect From Unknown Rip="my_external_address"
May 10, 2010
All clients on the LAN, have to have their /etc/hosts file edited for my server to resolve their hostnames/LAN ip addresses. Both Windows/Mac/Linux. That shouldn't be necessary as all other stanzas are correct. If the hosts file is not ammended my maillog shows connect from unknown rip="my_external_address" when in fact it should say connect from "host" rip=192.168.0.20 Not to sure if it is an iptables issue as I have nothing for this configuration. /etc/hosts file on the server has all required hostnames and ip addresses
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Jun 28, 2010
I am using centos server, i delete and touch maillog file in /var/log/maillog but every other days it gets about 3 - 4GB please help how can i stop this
log are like this
Code:
Jun 27 04:23:09 localhost postfix/smtpd[25765]: warning: not enough free space in mail queue: 0 bytes < 1.5*message size limit
Jun 27 04:23:10 localhost postfix/smtpd[25765]: lost connection after MAIL from unknown[200.74.196.82]
Jun 27 04:23:10 localhost postfix/cleanup[25987]: 3F8E110011: message-id=<20100627032310.3F8E110011@localhost.bgssuk.com>
Jun 27 04:23:10 localhost postfix/cleanup[25987]: warning: 3F8E110011: write queue file: No space left on device
[Code]...
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Jun 9, 2011
I have been finding a lot of "You are Not allowed to connect" messages in my maillog file.
and the email addresses are not in my forum database. I've check my server for rootkits and there are none installed and I've also used mxtoolbox to test my server as an open relay and it says it's not an open relay. however I am seeing bounces that show 'relay' and I wonder exactly what I'm looking at and and asking for some help in identifying the nature of these emails. here's a few examples and they seem to come in 'spurts" when I'm tailing the maillog file. there's never anything waiting in the queue to be delivered.
Jun 9 15:12:29 mysite postfix/smtp[13642]: 51EA914B90DE: to=<jake@jvanderlaan.110mb.com>, relay=none, delay=172540, delays=172538/0.98/0.32/0, dsn=4.4.1, status=deferred (connect to jvanderlaan.110mb.com[64.191.15.246]: Connection refused)
Jun 9 15:12:29 mysite postfix/smtp[13610]: 9D84914B8186: to=<jake@jvanderlaan.110mb.com>, relay=none, delay=56434, delays=56433/1/0.28/0, dsn=4.4.1, status=deferred (connect to jvanderlaan.110mb.com[64.191.15.246]: Connection refused)
Jun 9 15:12:29 mysite postfix/smtp[13613]: 70ECC14B812A: host
[Code]...
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Jun 30, 2010
I am running RedHat 9.0 on a VMware on Window XP, I have bridged the network card eth0 such that
I can ping the host machine 192.168.45.67 and the Windows XP machines on my LAN.
I managed to set up the samba server on this Redhat 9.0, And I can see the netbios name on my WindowXP: Rhl machines. Now I want to reach the Windows machines vi sambaclient but I get an Ip address that is not on my network -192.168.24.1.I did not set this IP address.
This is the message I get when I run smbclient so that I can reach windows machine when I am on Redhat:
# smbclient //machine name/name of user on windows machine
added interface ip=192.168.45.90 bcast=192.168.45.255 nmask=255.255.255.0
Got a positive name query response from 192.168.45.21 (192.168.24.1 192.168.249.1 192.168.45.21
error connecting to 192.168.24.1:139 (Network unreachable)
Error connecting to 192.168.24.1 (Network is unreachable)
Connection to machine name failed
#
My question is Where does 192.168.24.1 IP address come from. Where must I look in order to remove it ( in Linux or Windowx Xp.
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May 21, 2010
I am very new to Linux, 1 week old. Have just installed fedora 5 days ago and I now need to get hosts to connect to this server through telnet. I downloaded a xinetd rmp file but do not know what do next to get it installed and configure it.
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May 2, 2011
I'm trying to use ssh-keyscan to get some known_host file population going on, but I have a ton of hosts I want to scan, all with multiple aliases in /etc/hosts. Is there a way to use my current /etc/hosts file to do an ssh-keyscan instead of making a special list of hosts that (from what I've read) ssh-keyscan needs?
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Mar 18, 2010
I am running CentOS 5.4 and Postfix. So when I start Postfix server than immediately maillog is starting to grow. And the first lines that I see in it are:
[Code]...
Server is already in several blacklists and I desperately need to do something.
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Mar 22, 2011
I run a few virtual servers at home behind a NAT, including an e-mail server, with dynamically updated dns records pointing to each of the servers. Consequently, I suffer from the loopback problem when working with these servers from my desktop PC. (E.g., I ping one of the dns hostnames and the ping goes to my router instead of the server). I fixed this problem by manually adding the in-home IP addresses and name pairs to my /etc/hosts, and then setting /etc/host.conf to a "hosts, bind" order.
This seems to work for every application on my desktop except for one: the postfix installation on my desktop PC (used for mailing smartctl messages and so forth) cannot communicate with my in-home e-mail server (times out). I checked the logs, and it looks like it is trying to use the IP address from the actual A-RECORD, rather than the address in my hosts file.
So I'm not quite sure what to do. There seems to be a "proxy_interfaces" parameter in main.conf which might be relevant, but I think it only deals with received mail. I'd prefer to have the mail going to that e-mail server, rather than also having to check the spool on my local desktop accounts.
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Jan 26, 2011
Probably an easy (which means stoopid) question...I am trying to reroute a website using my hosts file so that it matches my servers certificate file for testing without effect dns and the live site.When I went to edit my /etc/hosts file it is non-existent. I have, I am assuming in it's place, hosts.allow and hosts.deny. Can anyone explain why I do not have a hosts file?
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Sep 7, 2010
when a message gets sent to me I always get this message in my maillog. What does this mean and how can I fix it?
srvspam amavis[2474]: (02474-06) ask_av (ClamAV-clamd) FAILED - unexpected result: /var/amavisd/tmp/amavis-20100907T102651-02474/parts: lstat() failed: Permission denied. ERROR srvspam amavis[2474]: (02474-06) WARN: all primary virus scanners failed, considering backups
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Dec 3, 2010
I am configure one sftp server(openssh) in my linux server. Its working fine. but when i try to connect its shows all folders like root, boot. but i need particular folder only. how to do this. I am using centos5.2
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Dec 26, 2009
If I need to append a set (or sets) of data to a file(or files) on remote hosts what is the best mechanism by which to do that? My first thought was ssh but the command syntax to append to a remote file isn't clear to me. Can anyone point me in the right direction here?
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Mar 20, 2011
I've setup my server by following a ton of goods, and it seems to work ok, but I need to start using my server for email in order to receive orders placed via my website. I've followed this guide - [URL] I followed the steps above, and tested the mail server via telnet, and all seemed to be ok. I tried sending an email via Squirrelmail, from cs@thinclientwarehouse.co.uk TO my working email simon@c1systems.co.uk, but the server returned with the following message:
<simon@c1systems.co.uk>: host mail.c1systems.co.uk[95.128.128.129] said: 550-Verification failed for <cs@localhost.thinclientwarehouse.co.uk> 550-The mail server could not deliver mail to cs@localhost.thinclientwarehouse.co.uk. The account or domain may not exist, they may be blacklisted, or missing the proper dns entries. 550 Sender verify failed (in reply to RCPT TO command)
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Dec 4, 2010
I've encountered a problem after doing a fresh install with xubuntu 10.10 (2.6.35-23-generic).some sites are blocked like [url]....if I do dig [url]....- I receive the A, CNAME records and the IP address and everything.when ping[url].... - I receive 'unknown host'.when ping <theipaddress> - I receive responses
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Jul 4, 2011
i started up my computer today in runlevel 3, and noticed a small message amongst many others that has got me curious.
Quote:
Unknown username "avahi" in message bus configuration file
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Feb 16, 2010
I've just installed OpenSUSE 11.2 on a new machine. Because I was still using another machine as my main box while building the new one, the monitor attached when it was installed has a resolution of 1280x1024 @ 77Hz. I've now moved it to be my main machine and the monitor is a widescreen 1680x1050 @ 60Hz model. When I boot it normally the screen fails to come up - even GDM doesn't show. If I boot in failsafe mode the system comes up fine, but in 1280x1024 mode. The 'Configure display settings' icon shows the monitor as 'Unknown'. Couple of things I tried:
1) Switched to runlevel 2 and logged in as root. Ran Xorg -configure and looked at the xorg.conf.new that was installed, but it just had generic info for the monitor:
[code]....
2) While still in runlevel 2 and logged in as root I did a startx. This brought up the X display in 1680x1050 ok, and clicking on the 'Configure display settings' icon showed it had correctly identified my monitor and had set the size and frequency correctly.
3) Given the results of (2), I then tried logging in as myself in runlevel 2, did startx again, but this time the display failed to come up again.
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Apr 11, 2011
I am running an application that requires use of my /etc/hosts file. In it, I have my machine name and its LAN ip address. The program creates a service on a specific port, then attempts to connect to it based on the host name. So my hosts file has to be correct.I added the nameservers to resolv.conf and now my application will not run. My guess is that the computer is checking the name servers first, timing out then checking the hosts file.Is there a way I can tell the system to check the hosts file first, then DNS. I thought it should behave that way by default, but it does not appear to.
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May 10, 2011
I've been running arch linux, with my clock set to UTC with no problem. Recently I installed slackware on a different partition. During the setup I chose to set my clock to 'local time' instead of UTC by accident. Now in slackware my clock shows the wrong time. Also in arch it shows the same wrong time.
I booted back into slackware and ran pkgtool to enter the setup again, and changed my time to UTC. But this makes no difference. My clock is still wrong in both slackware and arch. Do I need to reboot after changing my clock settings in slackware before it takes effect? how the clock or the setup works.
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Sep 8, 2009
Many of mails sent from my mail server that are in Queue;The main reason is deffered by domains like yahoo,aol,etc.but there is one more error that i keep getting and that is Host Unknown,Below is an example from mail log,The catch is,test mail sent on the same email id sent from my personal mail from the same server i.e. url was deliveredHowever,another mail containing client information sent from customercare@mycompanysdomain ended up in queue.
There are more examples of the same,around 20 domain have the same problem.
Sep 7 14:33:46 server2 sendmail[24591]: n8793jiC024589: to=<abc@xyz.fi>, delay=00:00:00, xdelay=00:00:00, mailer=esmtp, pri=163672, relay=xyz.fi., dsn=5.1.2, stat=Host unknown (Name server: xyz.fi.: host not found)
Sep 7 22:09:42 server2 sendmail[6407]: n87Gdffa006403: to=<abc@def-fgh.com>, delay=00:00:00, xdelay=00:00:00, mailer=esmtp, pri=152474, relay=def-fgh.com., dsn=5.1.2, stat=Host unknown (Name server: def-fgh.com.: host not found)
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Jul 7, 2011
I have Slackware64 installed on a LAN gateway/server. The box is running an NFS/NIS server for roaming profiles. I wonder how I can edit hosts.allow more tightly with NFS. I googled around a bit and decided on the following configuration:
[Code]....
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Nov 11, 2010
i'm running some virtual Fedora installations on a windows server 2008 with hyper-v. Most of them are Fedora 12 and 13. Everything works fine for some years. Yesterday i want to upgrade a F13 machine to F14 by netistall. The upgrade ran without any problems. After the reebot the machine was off the network. All the networkconfigs by DHCP are OK, IP address, gateways, DNS settings and so on. But the machine can't ping or connect to other hosts. I tried an VM from scratch with both F14 i386 and x86_64 - same ****. This is the first time i had such a problem by upgrading Fedora machines.
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Jul 15, 2011
In my home network I have two ubuntu desktops that are connected to a router. On each pc I have installed Virtual Box 3.2 and various OSes. I need to sometimes run multiple vm's at the same time which is very RAM intensive so I was wondering if there is any way to connect VM's on different hosts so that they appear they are in the same network? Various articles that show up as search results hardly pertain to what I want to do. Basically, I would like to make vm's visible in the network but on different hosts and with ip addresses that would reflect that those vm's are on a same network. Like ubuntu 1 has vm's a and b and ubuntu 2 has c and d. When I start all of the vm's, I would like them to connect to each other just like they are in the same network without "knowing" they are on different hosts.
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Oct 16, 2009
I am facing problem with the fresh installation of Fedora 11. (I have moved from Fedora 9). When I try to view videos on ..... or use the Cheese Webcam Booth, I get blurred lines on the screen and I am unable to see any video or pic.
Also I noticed that the when i go to System > Preferences>Display, it shows me UNKOWN MONIOR.
However, if I got to System>Administration>Display and enter the su password, it shows me correct monitor and the graphics driver.
I am not sure if my original is related to the Unknown Monitor.
I also tried to install Nvidia driver but it crashed the xserver and I had remove the driver.
My Monitor is LG 700E and Graphics card is from intel. as I am not able watch any video.
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Jul 21, 2010
1) I'm not sure which IP address to use when I list my machine name in /etc/hosts, particularly after reading:
Quote:
By the w]ay, Arnt Gulbrandsen <agulbra@nvg.unit.no> says that 127.0.0.1 # should NEVER be named with the name of the machine. It causes problems # for some (stupid) programs, irc and reputedly talk. :^)
Here's what I have now:
Code:
root@eagleswing:~# hostname
eagleswing
root@eagleswing:~# cat /etc/HOSTNAME
eagleswing.5binc
[Code]...
I'm not certain how to include my router in /etc/hosts so I can use it to link my PCs as stated above. I was thinking of writing (see above link):
192.168.2.1 localbelkin Will this work & is it proper?
3) Do I need to make use of any other IP addresses at this link? What are the WAN IP & Default Gateway addresses used for? I am going to be serving documents & running scripts on Apache.
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Jun 27, 2011
I am trying to configure Apache to handle virtual hosts. For this I un-commented the line in httpd.conf that say
Include /etc/httpd/extra/httpd-vhosts.conf
Then I included the following in httpd-vhosts.conf:
<VirtualHost *:80>
<Directory /var/www/git.localhost/gitorious/public>
Options FollowSymLinks
AllowOverride None
Order allow, deny
Allow from All .....
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Jun 27, 2011
Problem:Your company network has internal only hosts / websites with names that end in .local, e.g.Your freshly installed Ubuntu machine works fine on the network, has internet access, etc. but cannot connect to these particular systems.Testing DNS with tools like dig / nslookup works fine, but normal name resolution with ping / telnet / browsers does not work.Solution:1. Open a terminal window2. Enter the command sudo nano /etc/nsswitch.conf3. Change the following line:hosts: files mdns4_minimal [notfound=RETURN] dns mdns4to this:hosts: files dns4. Press Ctrl-X, Y, Enter to saveExplanation:Ubuntu ships configured to do name lookups for self-configuring networks, based on the AppleTalk / mDNS / Bonjour protocol. In the configuration shipped for the resolver, this protocol is considered the final aurhority for the ".local" top level domain, and DNS will not be checked. The above configuration change eliminates this and restricts lookups to (a) /etc/hosts file, followed by (b) DNS
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Nov 17, 2010
I'm trying to set up a PXE boot server on a PC running Slackware 13.0 using the default apps and info shipped with that Slackware version but to no avail...Carefully reading the Slackware 13.0 README_PXE I've put together this dhcpd.conf file:
# dhcpd.conf
#
# Configuration file for ISC dhcpd (see 'man dhcpd.conf')
[code]....
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Aug 9, 2010
I have one pc on which I have installed slackware and samba (fixed IP, mask 255.255.255.0) I have another PC (also XP) which also has fixed IP running XP, and I can connect that to the slackware server easily My third PC connects to the internet and gets its IP address from the Cisco router(?) that provides the IP and mask on boot up.
I tried changing the IP and Mask on the slackware server to match the internet PC (which uses a mask 255.255.254.0) but the PC mask and IP changed on the internet PC I want the PC that connects to the internet to also be able to connect to the slackware server, but I see no need for the slackware server to also connect to the internet - I will mainly use it as a file server When I worked for another company I think the IT department talked about having 2 network cards in the PC that connects to the internet
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Aug 17, 2011
Well, as many proxy applications, GNOME Network Proxy Preferences only allow to ignore hosts. What I want to do is exactly the opposite. I only want to use the proxy for few sites. Is it possible to define only the allowed hosts in any way?
PS: I know FoxyProxy add-on for Firefox does this, but 1)I don't use Firefox and 2)I want the proxy settings system wide not only for browser.
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Mar 30, 2011
I need to set up a named server for a class room with 10 imaginary hosts the sub domain managed by this name server is s123456.eca.edu.au where 123456 is to be replaced by your student id. The named server will forward unresolved queries to the dns server.
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