Fsockopen Issue On Server
I need here a really help because there is in my opinion simple problem that can be solved.
Here is example of simple script:
Code:
<?php
if($_GET[u]){
echo "opening socket to {$_GET[u]} port 25<br/>";
flush();
$r=fsockopen($_GET[u],25,$errno,$errstr,30);
echo "socket opened to {$_GET[u]} error $errno str $errstr";
}
else if($_GET[d]){
echo "opening socket to {$_GET[d]} port 80<br/>";
$r=fsockopen($_GET[d],80,$errno,$errstr,30);
echo "socket opened to {$_GET[d]} error $errno str $errstr";
}
?>
One site hosted by totalchoicehosting display everything correct when i test it: ...
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WholeSalesInternet - Billing Issue
I have one server with WSI over 1 month (testing purpose). On Apr 23rd, I asked them to reload Windows Server 2003 Std. They charged $25 OS reload and $25 for Windows license. On May 01st, I got a new invoice for server fee and $25 for Windows Server 2003 Std license. So, they charged Windows license again. I contacted their Billing Dept. to correct the invoice so that I can make payment. No one from Billing Dept. responded us. I tried to contact Aaron, who I got server from. Aaron responded us and promised to issue a credit, but I didn't see that. I contacted Aaron again and asking to fix the invoice, but he didn't respond. On May 10th, I got an overdue notice from their Billing Dept. I contacted them again, but no one responded. Today, they disconnected my server. It seems that I'm unable to contact anyone at their Billing Dept.
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Billing Issue With Fluidhosting
I've been a client of fluidhosting for around 2 years. In terms of support, performance and reliability everything was fine during those years. Few days ago, on the 14th of march i asked to cancel my account as i wanted to move to a different host because of price issues. I pay to fluidhosting on monthly basis, each month in advance until the renewal date of the next month. My renewal date is the 2nd of each month. This means that on the 2/3/09 i paid to fluidhosting until 2/4/09. On the 14/03/09 , i asked my account to be canceled. That's where the problems begin... Fluidhosting says that canceling accounts should be stated --30-- days before the renewal date. This means that you can basically cancel your account ONLY on the day you renew it, and basically, as i see it, they are forcing you to pay for another month. FH claim it's in their TOS, and indeed it is. Though i can not be sure if it was there 2 years ago or not, but even if so , i find it very unethical they "force" on you to always pay for another month.
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Connecting Time Issue
When traffic to my website gets heavy, connecting to the server really slows down. But, when connected, the site loads very fast and smooth. So why does it take like 4-12 seconds to connect to my server when traffic is heavy, and once connected it runs fast and smooth? I run Apache 2.2.3 on Debian 4. HostnameLookups is set to OFF. I have turned off all of the modules that I don't need, too. It also has MySQL 5.0 installed and is being used.
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Dns Issue, Servfail
this issue has been bugging me for a while, it has no issues whatsoever upon the production, but i would just love to have those messages go away. [root@viper ~]# dig opyum.us @localhost ; <<>> DiG 9.3.3rc2 <<>> opyum.us @localhost ; (1 server found) ;; global options: printcmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 28364 ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;opyum.us. IN A ;; Query time: 5 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Mon Jan 7 15:53:02 2008 ;; MSG SIZE rcvd: 26 BUT [root@viper ~]# netstat -an |grep -w 53 |grep LISTEN tcp 0 0 208.98.31.254:53 0.0.0.0:* LISTEN tcp 0 0 208.98.31.253:53 0.0.0.0:* LISTEN tcp 0 0 208.98.31.252:53 0.0.0.0:* LISTEN tcp 0 0 208.98.31.251:53 0.0.0.0:* LISTEN tcp 0 0 127.0.0.1:53 0.0.0.0:* LISTEN i have my named.conf, an acl called "trusted" so my zones look like this: Quote: acl "trusted" { 127.0.0.1; 208.98.31.252; 208.98.31.253; 208.98.31.254; 208.98.47.226; }; Quote: options { query-source port 53; directory "/var/named"; // the default dump-file "data/cache_dump.db"; statistics-file "data/named_stats.txt"; memstatistics-file "data/named_mem_stats.txt"; listen-on { 127.0.0.1; 208.98.31.254; 208.98.31.253; 208.98.31.252; 208.98.31.251; }; }; Quote: view "localhost_resolver" { match-clients { trusted; }; match-destinations { trusted; }; recursion yes; zone "." IN { type hint; file "/var/named/named.ca"; }; include "/var/named/named.rfc1912.zones"; }; Quote: view "internal" { match-clients { trusted; }; match-destinations { trusted; }; recursion yes; zone "." IN { type hint; file "/var/named/named.ca"; }; Quote: view "external" { match-clients { any; }; match-destinations { any; }; recursion no; zone "." IN { type hint; file "/var/named/named.ca"; }; I really don't get what's wrong here. Quote: Jan 7 15:57:57 viper named[27746]: client 208.98.31.253#58576: view localhost_resolver: received notify for zone 'thing2.opyum.us': not authoritative Jan 7 15:57:57 viper named[27746]: client 208.98.31.251#58576: view localhost_resolver: received notify for zone 'thing2.opyum.us': not authoritative Jan 7 15:57:57 viper named[27746]: client 208.98.31.254#58576: view localhost_resolver: received notify for zone 'thing2.opyum.us': not authoritative Jan 7 15:57:58 viper named[27746]: client 208.98.31.254#58576: view localhost_resolver: received notify for zone 'thing3.opyum.us': not authoritative Jan 7 15:57:58 viper named[27746]: client 208.98.31.251#58576: view localhost_resolver: received notify for zone 'thing4.opyum.us': not authoritative The issue, summarizing it, is that none of the local domains are being resolved via the local nameservers. i get servfail. i can resolve other domains with no issues whatsoever. again it has no production impact, the dns works fine, dnsreport goes fine as well.
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Plesk Nameserver Issue
I added a client on Plesk, and once I chose the IP address from the drop down menu, it gave me the ns1.domainname.com and ns2.domainname.com. Once I recieved the IP for both of them, I went forward and bought the domainname from GODaddy and added namservers with the same IP Address. Now that everything is setup and configured, whenever I try to access my site I do not get anything. here is the site : [url]
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Spam Issue At Leaseweb
I've sent out a single opt in newsletter to my members for the first time and got two spam complaints from spam cop that were forwarded to me from leaseweb. Some people must have signed up using somebody elses email address. How grave is such a complaint and what do I need to do to avoid this in the future? The emails contained an unsubscribe link etc.
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Linksys Security Issue?
I use a Linksys BEFW11S4 at my home and at my office. A few months back I replaced the one at my office with a linux gateway because I found some weird routes to Department of Defense IP addresses. I assumed there was a backdoor or something but didn't give it any more thought. I'm now looking at the static routes on my home router and I found something very peculiar. I've attached the screenshots. Basically there is a static route to 128.60.31.208 which according to ARIN is registered to the "Naval Research Laboratory". The subnet mask looks very very odd - 124.171.0.0 Perhaps I'd just assume that this was a firmware bug, but isn't it a big coincidence that the first time I found routes to the DoD and now I'm finding routes to Naval Research Laboratory?
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Vnstat Issue With VPS
I'm running Vnstat to monitor traffic use on an OpenVZ-based VPS running Centos 5. This is working fine except that if the server is rebooted for any reason, a large traffic spike is recorded (approximately 4GB of transfer takes place instantly). I gather this is a limitation of Vnstat and it would be possible to avoid this by running something like "vnstat -u -r --disable -i venet0" in a shutdown script, which would disable tracking for that interface and reset the counters. However my problem is that I'm not sure where I'd put this command (my VPS doesn't seem to have ifup or ifdown scripts for venet interfaces in the /etc/sysconfig/network-scripts directory).
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Strange Issue With Sites
I use domain registration and Managed DNS records service from Directi. I add A record hosting.mydomain.com to my Layeredtech server and NS records for its nameservers. The layeredtech server is fine,all servics are up but my main site mydomain.com and hosting.mydomain.com are down. All sites on server using ns1.mydomain.com and ns2.mydomain.com are unable to be accessed by majority of internet users. Anyone got this bad experience before?
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Trying To Find The Bottleneck, Is This IO Issue
Trying to find the bottleneck, is this IO issue? Quote: [~]# vmstat procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu----- - r b swpd free buff cache si so bi bo in cs us sy id wa st 2 0 78964 298804 252632 1228020 0 1 124 196 2 4 19 4 76 2 0 [~]# vmstat procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu------ r b swpd free buff cache si so bi bo in cs us sy id wa st 1 0 78964 298184 252648 1228084 0 1 124 196 2 4 19 4 76 2 0 [~]# iostat Linux 2.6.18-92.el5 (server.net) 11/16/2008 avg-cpu: %user %nice %system %iowait %steal %idle 0.34 18.53 3.59 1.84 0.00 75.70 Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn sda 25.91 496.60 777.66 567980120 889443028 dm-0 105.74 495.16 772.46 566336450 883492896 dm-1 0.83 1.43 5.20 1640448 5950128 Server has a 1.85 load. I am trying to find if its an IO issue or not. Any Linux tools that will help me find processes using up resources besides top? - It might be mysql as all invoked processes are PHP (suexec).
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VPS Issue W/ Windows
I recently got a VPS through a work deal , i can't specify the name, but its got Windows, Plesk 8.1.1, which i want. Everything was fine until i tried FTP accessing it: Status: Connection established, waiting for welcome message... Response: 220 Microsoft FTP Service Command: USER *Username* Status: Connection established, waiting for welcome message... Response: 331 Password required for *Username*. Command: PASS *************************** Response: 230 User *Username* logged in. Status: Connected Status: Retrieving directory listing... Command: PWD Response: 257 "/" is current directory. Command: TYPE I Response: 200 Type set to I. Command: PASV Response: 227 Entering Passive Mode (87,106,106,174,4,19). Command: LIST Response: 425 Can't open data connection. Error: Failed to retrieve directory listing What should i do to resolve that? I don't understand the problem
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Wierd Issue With PHP
Yesterday i have upgraded PHP 4.4.6 to 5.x ,then checked all my scripts/pages and everything was fine. Today i have upgraded MySQL 4 to 5 and recompiled PHP and scripts are working fine but all my Russian langauge pages are broken,i mean plain php pages ,not those that depends on scripts. Its wierd,when i am opening them in Firefox they are opening with Win1251 encoding as supposed but when i am opening them in IE they are opening with KOI8 encoding and i have to manualy change teh encoding to Win1251 to view the pages. This has been confirmed by other users.
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Hotmail Issue Cpanel
a few months ago we have started a new dedicated box on layeredtech,and set it up like we did all our other boxes,including the reverse dns etc. but no client on a domain on that server can send e-mails to hotmail. we get a reply like : retry time not reached for any host after a long failure period this only happens when we send mails to hotmail. has anyone had a problem like that? if yes,could you solve it? how?
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Time Zone Issue.
I have a linux server running websites without any control panels. The problem is that the scripts run by cron daemons are showing up a wrong time and time zone on emails. This happens when they are run as automated scripts by cron daemon. Recently I have changed the time from EST to CST. The command date and hwclock --show gives the correct CST, even the scripts run from the shell showsup the correct CST time.
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Xen And The Issue Of Swap
I have talked with the moderators and they have agreed that I can start a new thread to clarify the issue of Xen and swapping as long the discussion remains technical. For people who are curious, I would first like to explain why this is important. What we have here is someone making a specific technical accusation against Xen, and if it is indeed crucial, it needs to be solved, or otherwise people have to know it before they get into Xen. Claim Number 1: The original claim is that users can create arbitrarily large swap and this can lead to the equivalent of overselling. Fact: Arbitrarily large swap has absolutely zero effect on a normal system, since Linux treats swap as an auxiliary storage, and will not use it unnecessarily. Linux will always use the RAM to the full, but swap is used only when all the buffers have been cleared. If you run free on a dedicated hardware, you will see that swap usage is most of the times zero, even though you have assigned a very large swap to the system. In fact, you can try this by simply increasing the swap to very huge value, you will see that Linux will ignore it completely. For large swap to cause a problem, the user not only has to assign a large swap, he has to run a really huge workload on his limited RAM, and this being physically impossible, will cripple his vps long before it has any serious impact on the host. I think the above has been agreed to by the person who made the initial claim. Claim Number 2 Merely having a swap can lead to vps getting slowed down. Fact ; The use of swap does not mean thrashing . Thrashing is a technical term, and it means that the application is registering a swap hit every few instructions. This is rare in normal systems, because of a property of programs that execution is always localized. That is, at any particular time, a certain portion of the program will be continuously being executed, and other portions would be idle. Linux has algorithms that will swap out the Least Recently Used page, and this will mean that the system will not run into too many swap hits. Now again, like in the earlier case, there will be trouble if the vps customer is trying to run a 1GB workload in a 64MB RAM. This will actually cripple his vps, which is what's the right thing to happen. So normal usage of Swap will not lead to disk I/O, since Linux has explicit algorithms to reduce swap usage. So for minor OverUsage of memory: For virtuozzo: the application will crash For Xen: there will be a very minor degradation of quality. And sometimes it won't have any affect at all, since as I said, just because swap drive is non-empty doesn't mean that linux is constantly swapping out. So summarizing: a) Inordinately large swap has zero effect on Linux b) Non-empty swap doesn't mean that the system is registering swap hits. For normal workloads, the swap hits will be very minimal. And an extra advice is that if you are using Xen, don't ever use snapshoting, as it will double the disk I/O, and the worst thing is that the vps that's causing this will not even be penalized. The overhead will be completely borne by the system.
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Weird Issue With CENTOS / DA
i've noticed that if a folder has a space in the name i can not remove it even as root as when i even try to change its owner via root it comes up moaning theres no directory for the first part of the named file i.e Code: [root@server]# chown -R phonestuff:phonestuff SG stuff chown: cannot access `SG': No such file or directory
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Weird Email Issue
basically we running commbulletin and add on for Vbulletin which sends out newsletters to all the members of the forum We sent out a newsletter last month It has the usual details to fill in name: From address Subject: header: ok we did all that and for name we just put down "My name" for the from address field we put down "Our Organisation" (Just the words not any email address or anything - just as how i've spelt it) Now the problem is that once of our users who uses outlook to retrieve their emails when they got the email in the FROM header it appeared something like this "Our Organisation"@thecompanydomains name now of course they know think somehow we forged the email to make it look as if that it was being sent from their domain which it wasnt since all the headers originates from our server however my point is how is that possible that when this email was sent the FROM field had that on does that make sense
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