E1000_clean_tx_irq: Detected Tx Unit Hang
Aug 11, 2007
in one of my CentOS 64bit, there is errors with NICs
NETDEV WATCHDOG: eth0: transmit timed out
e1000: eth0: e1000_watchdog_task: NIC Link is Up 100 Mbps Full Duplex
e1000: eth0: e1000_watchdog_task: 10/100 speed: disabling TSO
e1000: eth0: e1000_clean_tx_irq: Detected Tx Unit Hang
Tx Queue <0>
TDH <59>
TDT <5c>
next_to_use <5c>
next_to_clean <58>
buffer_info[next_to_clean]
time_stamp <1241628eb>
next_to_watch <59>
jiffies <124162eba>
next_to_watch.status <0>
e1000: eth0: e1000_clean_tx_irq: Detected Tx Unit Hang
Tx Queue <0>
TDH <59>
TDT <5c>
next_to_use <5c>
next_to_clean <58>
buffer_info[next_to_clean]
time_stamp <1241628eb>
next_to_watch <59>
jiffies <12416368a>
next_to_watch.status <0>
Is there any idea for fixing? It's SM PDSMI+ board. Kernel 2.6.9-55.0.2.ELsmp #1 SMP Tue Jun 26 14:14:47 EDT 2007 x86_64 x86_64 x86_64 GNU/Linux
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Mar 22, 2007
rather then sending a few grand on a KVM over IP unit, has anyone tried out a straight forward KVM unit hooked up to a Windows 2003 box with Remote Desktop?
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Feb 16, 2008
We are planning to custom build a server and wanted to know your input on what kind of power supply we need.
We are thinking a 650W might be sufficient but we wanted to know your input.
Here are the specs:
12 SATAII Western Digital HDDs
8GB RAM
1 Intel Core Duo CPU
1 Highpoint Raid 5 Card
1 Gigabyte Motherboard
1 256MB Video Card
1 Extra Network Card
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Aug 12, 2007
I am trying to run the OpenVZ PAE kernel with 8 gigs of ram to back the server, however the server keeps suffering from hangings.
It starts 2 or 3 vpses fine, but once it hits 4 or so, it hangs without a kernel panic or any other proper error message.
The kernel version is 2.6.18-8.1.8.el5.028stab039.1PAE but it also does it on 2.6.18-ovz028stab039.1-enterprise
Anybody have the same problem and come up with a solution? Node is running CentOS 5.
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Apr 4, 2008
I have a dedicated server running CentOS which has been been running fine for a while now.
On the odd day Apache used to hang, I presume due to load so I installed SIM (System Integrity Manager) to check the status of httpd and to re-start when necessary.
Every now and again SIM would email saying that apache was re-started, no big deal.
Then this morning I got a email from SIM saying apache was down but couldn't be re-started. I then logged into the shell and tried to do a: service httpd restart
I then got a message saying something like: could not bind to port 80. I then tried to kill all httpd processes and re-start apache but the problem persisted. I then just rebooted my server and apache started fine.
Since then I have had hundreds of emails from SIM saying that it has had to re-start apache. Somehow it is detecting it as down and re-starting it. Apache seems to be up and fine. Re-installing SIM does not help.
The weird thing is when I logged in using Putty I got the "server's host key did not match the signature supplied" message like something had changed.
Rkhunter does not return anything just a couple of warnings.
Does anybody know what would cause sim to constantly detect Apache as down in this situation and also how this could happen with no changes being made?
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Jul 9, 2007
For the last week, my vps (directadmin on centos on xen) has become unresponsive every three days at approximately 5 AM, and I'm baffled about why. It doesn't crash, but it stops accepting incoming connections until it's rebooted.
I'm not sure how to troubleshoot this. /var/log/messages gives no useful information. There are no unusual cronjobs running at that time.
Anyone heard of anything like this before or have any advice about how to troubleshoot?
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Sep 3, 2007
One of my server hang w/o obvious reason. What is the checklist to adhere when troubleshooting? It is running on FreeBSD
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May 9, 2009
i have a strange issue on one of my servers where dns keeps freezing or hanging every now and then, if i restart the service on cpanel.
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Oct 26, 2009
We had a Coldfusion site running MySQL without issues. We are in the process of doing some upgrades and as part of that we recently switched over to MSSQL 5. Ever since that happened, we will have random page hangs. This usually happens on pages with more complex queries, but it is very random. There is no timeout error on the server, no page cannot be displayed errors, no errors of any kind, the page will just hang. We have been monitoring our server resource monitor and we can see when the page 'gives up', we will go from 100% CPU down to almost 0, and then the page simply never recovers. Does anyone have any idea what might be going on? When there is no error message of sorts it makes it very problematic to troubleshoot.
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Mar 24, 2008
I encounter this problem in one of my server today..
Memory is 99% used
Swap is 100% used
top - 20:50:53 up 2 days, 7:05, 2 users, load average: 69.58, 41.63, 24.91
Tasks: 397 total, 57 running, 334 sleeping, 1 stopped, 5 zombie
Cpu(s): 1.9% us, 96.5% sy, 0.1% ni, 0.0% id, 0.0% wa, 0.5% hi, 1.0% si
Mem: 2076300k total, 2027140k used, 49160k free, 1116k buffers
Swap: 5245212k total, 5245212k used, 0k free, 13108k cached
Over my KVM, it just hang. When I try to type something, it shows this on the KVM screen:
[17379796.260000] HighMem 59*4kB 3*8kB 0*16kB 0*32kB 0*64kB 1*128kB 1*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 664kB
[17379796.260000] Swap cache: add 6615861, delete 6615849, find 2695269/27558673, race 0+86
[17379796.260000] Free swap = 0kB
[17379796.260000] Total swap = 5245212kB
Based on the message on screen, what is the message telling me?
[17379796.260000] HighMem 59*4kB 3*8kB 0*16kB 0*32kB 0*64kB 1*128kB 1*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 664kB
[17379796.260000] Swap cache: add 6615861, delete 6615849, find 2695269/27558673, race 0+86
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Apr 5, 2007
how can i find out what has caused my server to hang/overload once its rebooted?
I know that the SWAP maxed out but i am unsure why.
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Aug 3, 2007
i have an site on my server when i open it the kaspersky anti viruss detect there is an trojan in this site .. ( see the picture in the attachment )
and i checked the server from the whm and there is result 15 POSSIBLE Trojans Detected
How i can solve this ?? and remove this trojans .
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Nov 27, 2007
We recently setup a server with 4 gigs of RAM and installed Fedora core 7 32-bit version in it. After installing the OS, I have found that Fedora is able to detect only 2 GB and not 4 GB of RAM. I installed the kernel-PAE and kernel-PAE-devel modules and restart the server and made sure that the the OS with the PAE switch starts at boot time. However, the OS still does not detect the 4 GB RAM. Any idea what else can be done apart from installing the 64-bit OS in the system?
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Mar 29, 2008
I installed latest kernel ( 2.6.24.4 or 2.6.24.3 ) with grsec which either panics or hang on reboot before reaching boot prompt, just when /sbin/init runs. Experienced the same with grsec patched kernel 2.6.22.9 on several servers with the same hardware.
On server with AMD Operton, I was able to successfully compile 2.6.24.4 with grsec and boot into.
Server hardware details
--------------------------
[root@server kernels]# cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 15
model name : Intel(R) Xeon(R) CPU 5148 @ 2.33GHz
stepping : 6
cpu MHz : 2333.469
cache size : 4096 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 2
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 10
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc pni monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr dca lahf_lm
bogomips : 4670.51
processor : 1
vendor_id : GenuineIntel
cpu family : 6
model : 15
model name : Intel(R) Xeon(R) CPU 5148 @ 2.33GHz
stepping : 6
cpu MHz : 2333.469
cache size : 4096 KB
physical id : 0
siblings : 2
core id : 1
cpu cores : 2
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 10
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc pni monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr dca lahf_lm
bogomips : 4667.16
[root@server kernels]#
[root@server ~]# uname -a
Linux server.name 2.6.19.2-grsec #1 SMP Tue Jan 15 07:08:50 CST 2008 i686 i686 i386 GNU/Linux
[root@server ~]#
[root@server kernels]# lspci
00:00.0 Host bridge: Intel Corporation 5000P Chipset Memory Controller Hub (rev b1)
00:02.0 PCI bridge: Intel Corporation 5000 Series Chipset PCI Express x8 Port 2-3 (rev b1)
00:04.0 PCI bridge: Intel Corporation 5000 Series Chipset PCI Express x8 Port 4-5 (rev b1)
00:06.0 PCI bridge: Intel Corporation 5000 Series Chipset PCI Express x8 Port 6-7 (rev b1)
00:08.0 System peripheral: Intel Corporation 5000 Series Chipset DMA Engine (rev b1)
00:10.0 Host bridge: Intel Corporation 5000 Series Chipset FSB Registers (rev b1)
00:10.1 Host bridge: Intel Corporation 5000 Series Chipset FSB Registers (rev b1)
00:10.2 Host bridge: Intel Corporation 5000 Series Chipset FSB Registers (rev b1)
00:11.0 Host bridge: Intel Corporation 5000 Series Chipset Reserved Registers (rev b1)
00:13.0 Host bridge: Intel Corporation 5000 Series Chipset Reserved Registers (rev b1)
00:15.0 Host bridge: Intel Corporation 5000 Series Chipset FBD Registers (rev b1)
00:16.0 Host bridge: Intel Corporation 5000 Series Chipset FBD Registers (rev b1)
00:1c.0 PCI bridge: Intel Corporation 631xESB/632xESB/3100 Chipset PCI Express Root Port 1 (rev 09)
00:1d.0 USB Controller: Intel Corporation 631xESB/632xESB/3100 Chipset UHCI USB Controller #1 (rev 09)
00:1d.1 USB Controller: Intel Corporation 631xESB/632xESB/3100 Chipset UHCI USB Controller #2 (rev 09)
00:1d.2 USB Controller: Intel Corporation 631xESB/632xESB/3100 Chipset UHCI USB Controller #3 (rev 09)
00:1d.3 USB Controller: Intel Corporation 631xESB/632xESB/3100 Chipset UHCI USB Controller #4 (rev 09)
00:1d.7 USB Controller: Intel Corporation 631xESB/632xESB/3100 Chipset EHCI USB2 Controller (rev 09)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev d9)
00:1f.0 ISA bridge: Intel Corporation 631xESB/632xESB/3100 Chipset LPC Interface Controller (rev 09)
00:1f.1 IDE interface: Intel Corporation 631xESB/632xESB IDE Controller (rev 09)
00:1f.2 IDE interface: Intel Corporation 631xESB/632xESB/3100 Chipset SATA IDE Controller (rev 09)
00:1f.3 SMBus: Intel Corporation 631xESB/632xESB/3100 Chipset SMBus Controller (rev 09)
01:00.0 PCI bridge: Intel Corporation 6311ESB/6321ESB PCI Express Upstream Port (rev 01)
01:00.3 PCI bridge: Intel Corporation 6311ESB/6321ESB PCI Express to PCI-X Bridge (rev 01)
02:00.0 PCI bridge: Intel Corporation 6311ESB/6321ESB PCI Express Downstream Port E1 (rev 01)
02:02.0 PCI bridge: Intel Corporation 6311ESB/6321ESB PCI Express Downstream Port E3 (rev 01)
04:00.0 Ethernet controller: Intel Corporation 80003ES2LAN Gigabit Ethernet Controller (Copper) (rev 01)
04:00.1 Ethernet controller: Intel Corporation 80003ES2LAN Gigabit Ethernet Controller (Copper) (rev 01)
06:00.0 PCI bridge: Intel Corporation 80333 Segment-A PCI Express-to-PCI Express Bridge
06:00.2 PCI bridge: Intel Corporation 80333 Segment-B PCI Express-to-PCI Express Bridge
07:0e.0 RAID bus controller: Adaptec AAC-RAID
0a:00.0 PCI bridge: Intel Corporation 6702PXH PCI Express-to-PCI Bridge A (rev 09)
0c:01.0 VGA compatible controller: ATI Technologies Inc ES1000 (rev 02)
[root@server kernels]#
[root@server ~]# lsmod
Module Size Used by
ip_conntrack_irc 11181 0
xt_conntrack 6876 0
xt_state 6544 16
ip_conntrack_ftp 11800 0
ipt_recent 13376 0
ipt_LOG 10781 0
xt_length 6312 0
xt_mac 6274 0
xt_multiport 7643 4
ipt_ttl 6266 0
xt_limit 6976 6
ipt_TOS 6555 14
ipt_ULOG 12126 0
ipt_TCPMSS 8276 1
ipt_owner 6335 0
ipt_ecn 6579 0
ip_conntrack 49498 4 ip_conntrack_irc,xt_conntrack,xt_state,ip_conntrack_ftp
ptpatch2008 7144 0
xt_tcpudp 7444 194
ipv6 248537 39
sunrpc 155556 1
iptable_filter 7336 1
iptable_mangle 7151 1
ip_tables 17800 2 iptable_filter,iptable_mangle
x_tables 19427 16 xt_conntrack,xt_state,ipt_recent,ipt_LOG,xt_length,xt_mac,xt_multiport,ipt_ttl,xt_limit,ipt_TOS,ipt_ULOG,ipt_TCPMSS,ipt_owner,ipt_ecn,xt_tcpudp,ip_tab les
dm_mirror 27216 0
dm_mod 60685 1 dm_mirror
button 11061 0
battery 14432 0
asus_acpi 20440 0
ac 9549 0
i2c_i801 12050 0
i2c_core 25366 1 i2c_i801
shpchp 40012 0
e1000 119987 0
floppy 61606 0
ext3 130212 6
jbd 61020 1 ext3
ata_piix 19728 0
libata 104369 1 ata_piix
aacraid 60341 7
usb_storage 66142 0
uhci_hcd 26859 0
ohci_hcd 23774 0
ehci_hcd 34026 0
sd_mod 24286 8
scsi_mod 136564 4 libata,aacraid,usb_storage,sd_mod
[root@server ~]# cat /etc/modprobe.conf
alias scsi_hostadapter usb-storage
alias eth0 e1000
alias eth1 e1000
alias scsi_hostadapter1 aacraid
alias scsi_hostadapter2 ata_piix
alias scsi_hostadapter3 usb-storage
alias usb-controller ehci-hcd
alias usb-controller1 uhci-hcd
[root@server ~]#
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Apr 11, 2013
I am using apache proxypass to proxy to 4 different ports (java/jsp applications) with the following configurations (for each):
<VirtualHost *:80>
ProxyPreserveHost On
ProxyRequests Off
ServerName *****.org
ProxyPass / http://*****.org:8080/ retry=0
ProxyPassReverse / http://*****.org:8080/
</VirtualHost>
Everything seems work fine until an awkward delay / connection timeout occurs. The web application hangs for about 5 to 15 seconds and starts working normally after that period. It's certainly not the application's issue because everything is fine when using IP address to access it.
When I enabled the debug log in apache, I found out that every time the server seems to hang, the following error appears in the apache error log and the number of apache child processes keep on increasing (ps aux | grep apache).
[Thu Apr 11 10:20:41 2013] [debug] proxy_util.c(1818): proxy: grabbed scoreboard slot 4 in child 13208 for worker proxy:reverse
[Thu Apr 11 10:20:41 2013] [debug] proxy_util.c(1837): proxy: worker proxy:reverse already initialized
[Thu Apr 11 10:20:41 2013] [debug] proxy_util.c(1934): proxy: initialized single connection worker 4 in child 13208 for (*)
[Thu Apr 11 10:20:41 2013] [debug] proxy_util.c(1818): proxy: grabbed scoreboard slot 3 in child 13208 for worker http://*****.org:8080/
.....
Also, the access log (access.log) completely stops during that hang period.
This debug message keeps on repeating as long as Apache/web-application is not responding. The application starts to work normally after that duration and the number of apache child process decrease to the normal number.
Apache version : 2.2.16 (Debian)
OS : Debian GNU/Linux 6.0
root@server:~# apache2 -V
Server version: Apache/2.2.16 (Debian)
Server built: Nov 30 2012 08:58:36
[Code]....
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Dec 9, 2007
Just installed fresh centos 5 / cpanel and now I get this:
No filesystems with quota detected.
[root@server scripts]# quotacheck -avugm
quotacheck: Can't find filesystem to check or filesystem not mounted with quota option.
Code:
[root@server scripts]# /scripts/initquotas
Quotas are now on
Updating Quota Files......
quotacheck: Can't find filesystem to check or filesystem not mounted with quota option.
quotacheck: Can't find filesystem to check or filesystem not mounted with quota option.
....Done
How do I fix this?
Code:
LABEL=/1 / ext3 defaults,usrquota 1 1
LABEL=/boot1 /boot ext3 defaults 1 2
devpts /dev/pts devpts gid=5,mode=620 0 0
tmpfs /dev/shm tmpfs defaults 0 0
proc /proc proc defaults 0 0
sysfs /sys sysfs defaults 0 0
LABEL=SWAP-sda2 swap swap defaults 0 0
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Jun 15, 2007
I am using Windows 2003 Enterprise Edition SP1 and i have recently set the computer up to 4GB RAM. I notice a problem occur error :
When I start the computer, Bios detected all 4GB Ram. However, i have checked Total physical memory in General (My Computer-> Properties) doesnot detect all 4GB Ram. it only detect 3GB Ram.
I have checked that this OS support up to 32GB . Why it doesn't detect all 4GB ?
What happen to it?
Mainboard : Intel chipset 915GL
I did following the instruction in internet (exactly is Microsoft) is /PAE in boot.ini file. But, it doesnt work.
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Sep 4, 2007
I got email notice about this:
Quote:
The following warning/error was logged by the smartd daemon:
Device: /dev/sdb, 1 Currently unreadable (pending) sectors
For details see host's SYSLOG (default: /var/log/messages).
Quote:
The following warning/error was logged by the smartd daemon:
Device: /dev/sdb, 1 Offline uncorrectable sectors
For details see host's SYSLOG (default: /var/log/messages).
It causes server crash and down.
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Feb 8, 2008
I'm just working with my first dedicated server and also in the process of coding a new site. Anyway, I've gotten around to emailing users from scripts on my site (Java Servlet). Using Sendmail as the server (with default config) the emails are detected as spam by pretty much everything.
I'm looking for a complete list of things which need to be done to ensure an email isn't detected incorrectly as spam. I've read through various sites etc but haven't found a definitive list of things which should be done. I'm sure this would be helpful for other forum visitors too.
I'm NOT trying to send spam or anything like that but I haven't set up a dedicated server before.
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Aug 27, 2007
I am using Merak Mail server 8.0.3 (Windows). From past 2 - 3 days many of my users are complaining their genuine mails are going to spam. The value set for antispam is 5 i.e. if antispam value is above it is detected as spam else not spam.
But from past few days which ever genuine mail is detected as spam I have found an very uncommon thing in it. It shows '10.4 FH_HAS_X Has X: header'
The SpamAssassin table shows the following information:
Content analysis details: (16.34 points, 5.00 required)
pts rule name description
---- ---------------------- --------------------------------------------------
0.1 HTML_MESSAGE HTML included in message
0.1 HTML_TAG_EXISTS_TBODY HTML has "tbody" tag
2.2 DEAR_SOMETHING Contains 'Dear (something)'
2.4 BAYES_80 Bayesian spam probability is 80 to 90%
0.0 NO_RDNS2 Sending MTA has no reverse DNS
10.4 FH_HAS_X Has X: header
1.1 SARE_HEAD_MIME_INVALID SARE_HEAD_MIME_INVALID Invalid mime version
0.1 SARE_HEAD_HDR_XMS SARE_HEAD_HDR_XMS Message headers used whic
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Jan 8, 2008
I have 2 reseller accounts with one provider, and in the last several days I have noticed that when you visit the site for the first time, my AV software detects a trojan on the site, but the code & html files are 100% clean!
I'm suspecting that there is something being injected into the scripts from the server daemons that's either running or something else.
Anyone have any suggestions?
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Apr 12, 2009
tell me about leaseweb for Webhosting Service not Detected servers?
And i want ask if they allowed Warez linking?
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Feb 1, 2008
I installed 2 SATA raptors drives on my server. I formatted/partitioned one of the drives through WHM. After rebooting both drives disappeared. They are still detected within the BIOS but not in CentOS. It is possible that I installed a wrong driver or made a bad configuration change.
Server Info:
CentOS 4.6 64bit
cPanel/WHM
Motherboard: [url]OS is running on a 250GB IDE drive
2 SATA WD Raptors (That I am trying to get to work)
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Apr 29, 2008
I always recieve this email: from lfd
Time: Tue Apr 29 03:40:13 2008
Possible detection of "Random JS Toolkit"
Failed to create test directory /etc/csf/1: No space left on device:
See [url] for more information
I do this to test if my server is infected:
mkdir /home/1
it created without any problems
and I used tcpdump and I got this:
<script type="text/javascript" src='jscripts/ips_ipsclass.js'></script>
<script type="text/javascript" src='jscripts/ipb_global.js'></script>
<script type="text/javascript" src='cache/lang_cache/en/lang_javascript.js'></script>
<script type="text/javascript" src='jscripts/ips_xmlhttprequest.js'></script>
<script type="text/javascript" src='jscripts/ipb_global_xmlenhanced.js'></script>
is that mean the server is infected? but these scripts are for the IPB forum board so why I still recieve this email?
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May 25, 2015
Behind a pfsense box we have a computer who act as a forward proxy with apache. At the end we have the family computer.This is the problem: i can't hide the forward proxy on internet, the forward proxy is reported "detected".
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