Port Speed: Big Difference Inbound Vs Outbound
May 18, 2008
I am moving into the world of dedicated servers (from VPS). I just got a server from Serveraday.com /OLM.net.
When I was doing bandwidth tests, I found the server's inbound speed was much slower than outbound. I tried downloading a bunch of different provider's 10MB test files from the command line of my server using wget. They were all around 20-30 Kbps.
When I take those same 10MB files and serve them from my dedicated box, the results are much different. My server can push the files out at over 1Mbps.
Why would my server be set up this way, and is this normal behaviour? I sent a ticket to OLM, but their support seems to take a long time. So I figured I would bounce the question off of all you here on WHT
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Mar 18, 2008
i have site used over 2000gb bandwidth per month at 100 mbit port speed ,i am thinking about going unmetered with $100 extra but port speed would be reduced to 10mbit...
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Jun 20, 2007
What is the command I need to issue to block an IP address from my server? I need to block both inbound and outbound access.
I need the rule to append to existing rules so if the server is rebooted the rule will still be in effect.
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Apr 18, 2008
any good solution for corporates out there?
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Feb 16, 2007
I'm using the free edition of MailEnable and need to configure each post office to copy all incoming and outgoing email to one of the email accounts on the same post office.
Is there a way to configure this ?
I know I can configure mail forwarding on incoming mail per account but need to do it for all acounts (except the audit account).
e.g. anythinghere@dbnetsolutions.co.uk
incoming or outgoing would be copied to audit@dbnetsolutions.co.uk
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Nov 19, 2014
1/ What is the difference between maillog and maillog.processed? I want to keep a permanent record of all mail inbound and outbound even if delivery is deferred by the gray listing. I'm not sure which one is the best to keep.
2/ I would like to change the way that the mail logs get log rotated. I am struggling to work out exactly what happens at the moment but I would like to rotate the log out every day regardless of size. I think currently that the maillog.processed is rotated daily if it is over a specific size.
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Aug 10, 2008
We have following error when try to start apf in one of our vps:
apf(3126): {glob} opening inbound tcp port 80 on 0/0
apf(3126): {glob} opening inbound tcp port 110 on 0/0
apf(3126): {glob} opening inbound tcp port 111 on 0/0
apf(3126): {glob} opening inbound tcp port 143 on 0/0
apf(3126): {glob} opening inbound tcp port 443 on 0/0
apf(3126): {glob} opening inbound tcp port 465 on 0/0
apf(3126): {glob} opening inbound tcp port 623 on 0/0
apf(3126): {glob} opening inbound tcp port 918 on 0/0
apf(3126): {glob} opening inbound tcp port 993 on 0/0
apf(3126): {glob} opening inbound tcp port 995 on 0/0
apf(3126): {glob} opening inbound tcp port 2082 on 0/0
apf(3126): {glob} opening inbound tcp port 2083 on 0/0
apf(3126): {glob} opening inbound tcp port 2086 on 0/0
apf(3126): {glob} opening inbound tcp port 2087 on 0/0
apf(3126): {glob} opening inbound tcp port 2095 on 0/0
apf(3126): {glob} opening inbound tcp port 2096 on 0/0
apf(3126): {glob} opening inbound tcp port 3306 on 0/0
apf(3126): {glob} opening inbound tcp port 3389 on 0/0
apf(3126): {glob} opening inbound tcp port 6666 on 0/0
apf(3126): {glob} opening inbound tcp port 7776 on 0/0
apf(3126): {glob} opening inbound tcp port 7777 on 0/0
apf(3126): {glob} opening inbound tcp port 7778 on 0/0
apf(3126): {glob} opening inbound tcp port 7779 on 0/0
apf(3126): {glob} opening inbound tcp port 8887 on 0/0
apf(3126): {glob} opening inbound tcp port 8888 on 0/0
apf(3126): {glob} opening inbound tcp port 8889 on 0/0
apf(3126): {glob} opening inbound udp port 21 on 0/0
iptables: Unknown error 4294967295
apf(3126): {glob} opening inbound udp port 53 on 0/0
iptables: Unknown error 4294967295
apf(3126): {glob} opening inbound udp port 161 on 0/0
iptables: Unknown error 4294967295
apf(3126): {glob} opening inbound udp port 465 on 0/0
iptables: Unknown error 4294967295
apf(3126): {glob} opening inbound udp port 623 on 0/0
iptables: Unknown error 4294967295
apf(3126): {glob} opening inbound udp port 873 on 0/0
iptables: Unknown error 4294967295
apf(3126): {glob} opening outbound tcp port 21 on 0/0
iptables: Unknown error 4294967295
apf(3126): {glob} opening outbound tcp port 22 on 0/0
iptables: Unknown error 4294967295
apf(3126): {glob} opening outbound tcp port 25 on 0/0
iptables: Unknown error 4294967295
apf(3126): {glob} opening outbound tcp port 26 on 0/0
iptables: Unknown error 4294967295
apf(3126): {glob} opening outbound tcp port 27 on 0/0
iptables: Unknown error 4294967295
apf(3126): {glob} opening outbound tcp port 37 on 0/0
iptables: Unknown error 4294967295
apf(3126): {glob} opening outbound tcp port 43 on 0/0
iptables: Unknown error 4294967295
apf(3126): {glob} opening outbound tcp port 53 on 0/0
iptables: Unknown error 4294967295
apf(3126): {glob} opening outbound tcp port 80 on 0/0
iptables: Unknown error 4294967295
apf(3126): {glob} opening outbound tcp port 110 on 0/0
iptables: Unknown error 4294967295
apf(3126): {glob} opening outbound tcp port 113 on 0/0
iptables: Unknown error 4294967295
apf(3126): {glob} opening outbound tcp port 443 on 0/0
iptables: Unknown error 4294967295
apf(3126): {glob} opening outbound tcp port 465 on 0/0
iptables: Unknown error 4294967295
apf(3126): {glob} opening outbound tcp port 623 on 0/0
iptables: Unknown error 4294967295
apf(3126): {glob} opening outbound tcp port 873 on 0/0
iptables: Unknown error 4294967295
apf(3126): {glob} opening outbound tcp port 2089 on 0/0
iptables: Unknown error 4294967295
apf(3126): {glob} opening outbound tcp port 3389 on 0/0
iptables: Unknown error 4294967295
apf(3126): {glob} opening outbound udp port 20 on 0/0
iptables: Unknown error 4294967295
apf(3126): {glob} opening outbound udp port 21 on 0/0
iptables: Unknown error 4294967295
apf(3126): {glob} opening outbound udp port 53 on 0/0
iptables: Unknown error 4294967295
apf(3126): {glob} opening outbound udp port 161 on 0/0
iptables: Unknown error 4294967295
apf(3126): {glob} opening outbound udp port 465 on 0/0
iptables: Unknown error 4294967295
apf(3126): {glob} opening outbound udp port 623 on 0/0
iptables: Unknown error 4294967295
apf(3126): {glob} opening outbound udp port 873 on 0/0
iptables: Unknown error 4294967295
apf(3126): {glob} opening inbound icmp type 3 on 0/0
iptables: Unknown error 4294967295
apf(3126): {glob} opening inbound icmp type 5 on 0/0
iptables: Unknown error 4294967295
apf(3126): {glob} opening inbound icmp type 11 on 0/0
iptables: Unknown error 4294967295
apf(3126): {glob} opening inbound icmp type 0 on 0/0
iptables: Unknown error 4294967295
apf(3126): {glob} opening inbound icmp type 30 on 0/0
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Jan 8, 2007
What is Difference between 10mbps & 100mbps port. Do you get high speed if your server is connected with 100mbps port?
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Jul 17, 2009
How can I check the post speed using SSH
so I can know if the server is on 10mbps or 20 or 100mbps?
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Feb 14, 2007
how to translate this into what would be needed in port speed to cover this server if converted to colo, in Mbps ? Is it 4.5?
--------------------------------------------------------------------------------
The statistics were last updated Wednesday, 14 February 2007 at 10:50,
at which time 'XXXXXXXXX' had been up for 362 days, 17:47:15.
Last 30 days usage (Metered 95%): 4670.57 kb/sec
Last 30 days usage (Metered 95%): 1477797.53 MBytes
Total Utilization ( Last 30 days ): [In 637187 MBytes] [Out 65140 MBytes]
Max Speed: 12.5 MBytes/s
---------------------------------------------------------------------------------
Also, is there a real need to be on a burstable connection, or are flat rates OK most of the time? Just looking for the advantages and disadvantages of it.
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May 18, 2008
know a good VPS hosting service which offers a lot of RAM & Port speed for a cheap price?
Best one I found so far at the "VPS Hosting Offers" forum:
Code:
Windows 2003 Enterprise
2048 MB RAM
20GB Space
1000 GB Bandwidth
$70 dollars USD
This would be used for hosting a gameserver~
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Oct 3, 2007
how can I change ethernet port speed. For example I want to change 100 mbit to 20 mbit. I m using centos 4.5 final.
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Jun 3, 2008
How can I detect port speed on my CentOS server ? I need to know it's 10Mbit/s or 100Mbit/s
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Mar 5, 2008
i just buyed a dedicated server with 100mbps dedicated port..
how can i test the traffic on port to see is is realy working on 100mbps?
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Nov 26, 2008
I've got a CentOS 5 box that I want to cap/throttle the speed of the port to ensure that no more than 50 meg is passing in either direction at any given time.
- I know you can do this with FreeBSD using ipfw but that's not an option for me at the moment...
- I also know you can do this with some reasonably decent switching gear but again that's not an option. It's not my switch and they don't provide capped ports.
So, the question then becomes is there any way to lock the port down to 50 meg using only linux itself?
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Jun 28, 2008
I wonder whatLs more important on a shoutcast server, to get more bandwidth per month as possible, or a faster port connection?
I have test a 2 hours music stream at 128k bit rate and was only 5MB per listener !
This is not to host 24/7 radios. Its a project to host DJs /Live Bands at
a maximum of 128k, with no more than 2 hours events.
Also each event between 50-80 listeners, and not at same days or hours.
About the port connection, what this means? :
Port: 10/100MBPS SWITCHED VLAN
Is it shared and from 10 to 100mbps?
I am trying to find the best deal with dedi servers.
Have at this moment a unlimited bandwidth /100Mbps shared, but it seems the CPU is too low (AMD Sempron 3100), as I canLt seem to create more than 40 shoutcast accounts (and no client is streaming, just ON), and the server load goes up to 4.5 !!
So, I am looking on the market , as I saw better deals with better processors (Pentium4, Core 2 Duo), and much cheaper (below $100), but they only offer 2000/3000GB bandwidth.
Whats do you think?
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Mar 24, 2009
Imagine you want a set of servers (VPSs would be a cheaper choice, that is why I am posting here) that do not have much outbound traffic but download from other servers (more or less as spiders, but I am not trying to create a web index). Disk space or memory size are not important, but port speed and monthly transfer should be as high as possible. As inbound traffic is less frequently used, I wonder if any provider offer cheaper rates if traffic is like this.
I have been searching the forums and have not found too much about this topic (a quite related post named "I want to download the Internet" or something similar did not get a conclusion).
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Dec 18, 2008
Why did my inbound traffic jump? Any ideas what could be happening here? I have this server and do not upload anything on the server?
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Feb 23, 2007
I have 2 IPs bounded on a Windows 2003 server. These 2 IPs have different network routes (one uses network A, one uses network B). Obviously for outbound traffic I can freely choose which IP to use (I simply choose to use [url]or [url]), however I wonder if it's possible to tell the server which IP it should use for inbound traffic when I need to download something from the internet to the server?
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Jan 11, 2007
my server under attack with syn flood and i attach the active connection during attack
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Jul 17, 2014
With the standard-DNS-Layout every customer has an MX-entry like MX 10 mail.customerdomainexample.com
The problem is, that inbound mailservers get a TLS warning, because the mailhostname does not match mail.companydomainexample.com, which is the domain with a valid SSL-Certificate pointing to the same server.
Wouldn't it make sense to change the default template to mail.companydomainexample.com since it is the same machine anyway?
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Sep 19, 2014
I am having some problems with the inbound smtp sockets, we are receiving a constant attack from spammers, and they are taking all the sockets we have open for our users. We have enable SPF, greylisting, inbound control access through authentication, relay access with authentication also. but after some weeks we are on the same situation yet. We have spam assasin also installed as power pack from plesk, and we have add DSN black list from b.barracudacentral.org, bl.mailspike.net and bl.spamcop.net but we still suffer from this problem.
We have also try to increase the socket assigned to 200 and after some minutes they used all again and the CPU change increase up to 25% of the total capacity.
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Nov 23, 2014
I ran the script in KB article 123160 [1] to disable SSLv3 and avoid the POODLE vulnerability, but I recently discovered that this has caused all inbound emails to bounce. The bounce message says, "TLS Negotiation failed."
Here is Plesk version information:
# cat /usr/local/psa/version
11.5.30 CentOS 5 115140407.17
# cat /root/.autoinstaller/microupdates.xml
<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<patches>
<product id="plesk" version="11.5.30" installed-at="20131109T085857">
<patch version="47" timestamp="" installed-at="20141123T162005" />
[URL] ....
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Aug 8, 2013
I'm runnung a server with Apache2 (Apache/2.2.16 (Debian 6.0))
I would like Apache2 listen on port 8080 for IPv4 and on port 80 for IPv6.
This is what I have now:
/etc/apache2/ports.conf
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Feb 19, 2008
Currently I am using Linux + cPAnel and using the port 25 for email sevrer. Currently we facing 1 problem is, some user's ISP is not support port. May I know how can I add additional port into server and allow users to send mail by different port?
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May 4, 2008
I have been searching for a solution to a problem that shouldn't exist but it does.
Background:
I have a customer on a UK server who sends emails to 500+ recipients on a monthly basis, and all but 3 emails are delivered....
The 3 that don't go, bounce after 3 days (as per the exim setup)
The 3 recipient domain's that reject don't seem to accept email from UK/European ip's and I have tried to send them emails from 4 different networks and still they bounce.
I have even tried to contact them via gmail, and still not heard back.
Proposed solution:
I want to be able to send email for that 1 domain to a Postfix Relay I have in the US.
Question:
How do I achieve this within Exim (a Cpanel Server).
I have found that so far its to do with the Router Configuration section within the Cpanel Exim setup, but I cannot seem to find an example of what and where i need to change the config...
Can anyone provide an example?
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Jul 20, 2009
A prospect wants an email server that could allow him to restrict some accounts and make them send emails only to the companies domain.
I was thinking of setting up a VPS with smartermail, so I was wondering if this be done with smartermail?
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Mar 29, 2009
Could you guys look and see if what I am seeing is right? They offer Global Crossing and Cogent officially. So if I use GLBX looking glass, I get this.
Trying trace from node 'Miami, FL, US' to '96.31.73.xxx'
1 64.214.16.65 (64.214.16.65) 0.761 ms 0.608 ms
2 so0-0-0-2488M.ar2.TPA1.gblx.net (67.17.66.165) 5.690 ms 5.695 ms
3 WBS-CONNECT-LLC.ae0.409.ar2.TPA1.gblx.net (64.214.147.222) 5.731 ms 5.880 ms
4 69.46.31.106 (69.46.31.106) 7.442 ms 6.667 ms
5 node1.sarorahosting.com (96.31.73.2) 15.734 ms 15.993 ms
6 96.31.73.xxx (96.31.73.xxx) 15.861 ms 15.795 ms
Now if I tracert from the VPS to the GLBX router, I get this.
traceroute to 64.214.16.65 (64.214.16.65), 30 hops max, 40 byte packets
1 node1.sarorahosting.com (96.31.73.2) 0.072 ms 0.035 ms 0.008 ms
2 69.46.31.105 (69.46.31.105) 0.731 ms 0.863 ms 1.003 ms
3 gi0-6.na21.b001841-0.tpa01.atlas.cogentco.com (38.99.204.33) 1.147 ms 1.142 ms 1.428 ms
4 gi4-1.core01.tpa01.atlas.cogentco.com (38.20.33.89) 0.818 ms 0.814 ms 0.807 ms
5 po2-0.core01.mco01.atlas.cogentco.com (154.54.27.90) 148.004 ms * *
6 po5-0.core01.jax01.atlas.cogentco.com (66.28.4.146) 5.847 ms 5.839 ms 5.872 ms
7 po5-0.core01.atl01.atlas.cogentco.com (154.54.3.197) 11.953 ms 23.819 ms 23.870 ms
8 te3-3.ccr01.atl01.atlas.cogentco.com (154.54.5.38) 11.721 ms 11.752 ms 11.787 ms
9 te8-2.mpd01.atl04.atlas.cogentco.com (154.54.3.174) 11.962 ms 11.921 ms 11.987 ms
10 ge4-1-0-390-1000M.ar4.ATL1.gblx.net (64.208.110.97) 12.252 ms 12.359 ms 12.444 ms
11 64.214.16.65 (64.214.16.65) 16.026 ms 16.061 ms 16.594 ms
Now what would be causing this to happen?
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Mar 24, 2009
I have an interesting situation on my CentOS 4 server. I have a number of virtual adapters (e.g. eth0:1, eth0:2 etc), and for some reason all outbound traffic is going through one of these, not eth0. If I go to ipchicken.com, it shows the ipaddress of a virtual adapter, not the normal eth0 adapter.
I have been looking around for information on how to set the default adapter to eth0, but I can't seem to find anything. I can't reboot yet, as it's a production server, so I have to wait for 'scheduled maintenance'. If that's the solution, I can try it, but I am sure there is another underlying issue/routine here.
Is there a way, while live, to set the outbound adapter back to eth0?
Please note, that I have only just realized this has happened. In fact, it has been this way since November. I can tell because server name stamps on Email messages sent from this server indicate a virtual domain at that IP address. I recall I had done some work around that time, which had involved me ifup'ing and ifdown'ing some of these adapters (but not eth0, or the eth0:100 adapter (if I recall correctly) that is now the default).
Also note that I have groups of eth0 adapters, such like:
eth0:1
eth0:2
eth0:3
eth0:100
eth0:101
eth0:102
It's the eth0:100 adapter that is now the default.
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Oct 14, 2014
We have an AWS plesk instance with around 400 domains on. All domains DNS are pointing mail to a different server and almost all domains have a contact form on their website.
the problem is, the contact forms won't work as mail is on a different server. I'm assuming that the local server thinks mail is on the server and thinks it has already been received?
is this because we need to disable incoming mail for all of these domains? if so how would we go about doing this? I tried stopping all courier-imap services but this didn't seem to work.
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