Re: Slow POP3 / SMTP / FTP connection from internal windoze machinesto linux firewall (gateway)
Hello...
Here is the details of my network.
External:
100MB connection to our ISP who is providing our primary dns services
linux 6.2 firewall gateway (PIII - 600MHz cpu with 128MB ram, 30GB hHD)
running qmail
Internal:
dlink 10/100 24 port switch
20 win9x desktop machines (various hardware config's) running DHCP
1 PIII 400 with 128MB ram PDC, WINS, etc
Please let me know if you need more detail
Greg
- Original Message -
From: Jonathan M. Slivko [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Thursday, March 14, 2002 5:42 PM
Subject: Re: Slow POP3 / SMTP / FTP connection from internal windoze
machines to linux firewall (gateway)
Can you give us a detailed description of what your network looks like,
along with some network hardware descriptions?
-- Jonathan
- Original Message -
From: Greg Caskey [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Thursday, March 14, 2002 7:14 PM
Subject: Re: Slow POP3 / SMTP / FTP connection from internal windoze
machines to linux firewall (gateway)
Hello...
Well, except the internal network is the only slow section with
smtp,pop3,ftp, etc From the outside world pop3, http, etc are fine?
Still Puzzled
- Original Message -
From: Jonathan M. Slivko [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Thursday, March 14, 2002 4:41 PM
Subject: Re: Slow POP3 / SMTP / FTP connection from internal windoze
machines to linux firewall (gateway)
Could it have been a network issue on your ISP's side?
-- Jonathan
- Original Message -
From: Greg Caskey [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Thursday, March 14, 2002 6:15 PM
Subject: Re: Slow POP3 / SMTP / FTP connection from internal windoze
machines to linux firewall (gateway)
Puzzling Question
I have not had a chance to implement this fix to the caching DNS
server,
however Now our connection speed is no longer slow. I can get
email,
telnet, etc at regular speed? I have not updated any changes on my
side
so
I am wondering?
Do you have anything that I can look at to see what is changing?
DNS
route
and Netstat -a runs fine, nslookup on my 10.0.0.1 is still not
getting
resolved as my ISP (of course) does not know about it but the
network
resolves quickly.
Stumped?
- Original Message -
From: Emmanuel Seyman [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Friday, March 08, 2002 4:13 AM
Subject: Re: Slow POP3 / SMTP / FTP connection from internal windoze
machines to linux firewall (gateway)
On Thu, Mar 07, 2002 at 10:48:54AM -0700, Greg Caskey wrote:
1. The 2nd NIC's IP address is 10.0.0.1 for the internal
machines.
Would my
named.conf look like this:
options {
directory /var/named;
};
Make it this:
options {
directory /var/named;
forwarders { ISP backup 1 IP; ISP backup 2 IP; };
forward only;
listen-on { 10.0.0.1; };
};
Or should it be for 10.0.0.1 instead of 127.0.0.1?
Nope. All DNS servers are masters for 127.0.0 since 127.0.0.1
always points to the local machine.
2. The /etc/resolv.conf file should be as follows with my server
as
the
caching server?
Brillant.
Is there anything else I need to setup?
You'll need the /var/named/named.local file specified in
named.conf
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Re: Slow POP3 / SMTP / FTP connection from internal windoze machinesto linux firewall (gateway)
Puzzling Question
I have not had a chance to implement this fix to the caching DNS server,
however Now our connection speed is no longer slow. I can get email,
telnet, etc at regular speed? I have not updated any changes on my side so
I am wondering?
Do you have anything that I can look at to see what is changing? DNS route
and Netstat -a runs fine, nslookup on my 10.0.0.1 is still not getting
resolved as my ISP (of course) does not know about it but the network
resolves quickly.
Stumped?
- Original Message -
From: Emmanuel Seyman [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Friday, March 08, 2002 4:13 AM
Subject: Re: Slow POP3 / SMTP / FTP connection from internal windoze
machines to linux firewall (gateway)
On Thu, Mar 07, 2002 at 10:48:54AM -0700, Greg Caskey wrote:
1. The 2nd NIC's IP address is 10.0.0.1 for the internal machines.
Would my
named.conf look like this:
options {
directory /var/named;
};
Make it this:
options {
directory /var/named;
forwarders { ISP backup 1 IP; ISP backup 2 IP; };
forward only;
listen-on { 10.0.0.1; };
};
Or should it be for 10.0.0.1 instead of 127.0.0.1?
Nope. All DNS servers are masters for 127.0.0 since 127.0.0.1
always points to the local machine.
2. The /etc/resolv.conf file should be as follows with my server as the
caching server?
Brillant.
Is there anything else I need to setup?
You'll need the /var/named/named.local file specified in named.conf .
Emmanuel
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Re: Slow POP3 / SMTP / FTP connection from internal windoze machinesto linux firewall (gateway)
Hello...
Well, except the internal network is the only slow section with
smtp,pop3,ftp, etc From the outside world pop3, http, etc are fine?
Still Puzzled
- Original Message -
From: Jonathan M. Slivko [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Thursday, March 14, 2002 4:41 PM
Subject: Re: Slow POP3 / SMTP / FTP connection from internal windoze
machines to linux firewall (gateway)
Could it have been a network issue on your ISP's side?
-- Jonathan
- Original Message -
From: Greg Caskey [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Thursday, March 14, 2002 6:15 PM
Subject: Re: Slow POP3 / SMTP / FTP connection from internal windoze
machines to linux firewall (gateway)
Puzzling Question
I have not had a chance to implement this fix to the caching DNS server,
however Now our connection speed is no longer slow. I can get email,
telnet, etc at regular speed? I have not updated any changes on my side
so
I am wondering?
Do you have anything that I can look at to see what is changing? DNS
route
and Netstat -a runs fine, nslookup on my 10.0.0.1 is still not getting
resolved as my ISP (of course) does not know about it but the network
resolves quickly.
Stumped?
- Original Message -
From: Emmanuel Seyman [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Friday, March 08, 2002 4:13 AM
Subject: Re: Slow POP3 / SMTP / FTP connection from internal windoze
machines to linux firewall (gateway)
On Thu, Mar 07, 2002 at 10:48:54AM -0700, Greg Caskey wrote:
1. The 2nd NIC's IP address is 10.0.0.1 for the internal machines.
Would my
named.conf look like this:
options {
directory /var/named;
};
Make it this:
options {
directory /var/named;
forwarders { ISP backup 1 IP; ISP backup 2 IP; };
forward only;
listen-on { 10.0.0.1; };
};
Or should it be for 10.0.0.1 instead of 127.0.0.1?
Nope. All DNS servers are masters for 127.0.0 since 127.0.0.1
always points to the local machine.
2. The /etc/resolv.conf file should be as follows with my server as
the
caching server?
Brillant.
Is there anything else I need to setup?
You'll need the /var/named/named.local file specified in named.conf .
Emmanuel
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Re: Slow POP3 / SMTP / FTP connection from internal windoze machinesto linux firewall (gateway)
Hello...
Thank you to everyone that has helped out on this. Should I be running Bind
9.x on this machine?
Greg
- Original Message -
From: Emmanuel Seyman [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Friday, March 08, 2002 4:13 AM
Subject: Re: Slow POP3 / SMTP / FTP connection from internal windoze
machines to linux firewall (gateway)
On Thu, Mar 07, 2002 at 10:48:54AM -0700, Greg Caskey wrote:
1. The 2nd NIC's IP address is 10.0.0.1 for the internal machines.
Would my
named.conf look like this:
options {
directory /var/named;
};
Make it this:
options {
directory /var/named;
forwarders { ISP backup 1 IP; ISP backup 2 IP; };
forward only;
listen-on { 10.0.0.1; };
};
Or should it be for 10.0.0.1 instead of 127.0.0.1?
Nope. All DNS servers are masters for 127.0.0 since 127.0.0.1
always points to the local machine.
2. The /etc/resolv.conf file should be as follows with my server as the
caching server?
Brillant.
Is there anything else I need to setup?
You'll need the /var/named/named.local file specified in named.conf .
Emmanuel
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[EMAIL PROTECTED]
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Re: Slow POP3 / SMTP / FTP connection from internal windoze machinesto linux firewall (gateway)
Hi...
Thanks for your reply. My questions on this are as follows:
1. The 2nd NIC's IP address is 10.0.0.1 for the internal machines. Would my
named.conf look like this:
options {
directory /var/named;
};
;
zone 0.0.127.in-addr.arpa{
type master;
file named.local;
};
zone . {
type hint;
file ;
};
Or should it be for 10.0.0.1 instead of 127.0.0.1?
2. The /etc/resolv.conf file should be as follows with my server as the
caching server?
search mydomain.com
nameserver 10.0.0.1
nameserver ISP backup 1 IP
nameserver ISP backup 2 IP
Is there anything else I need to setup?
Greg
- Original Message -
From: Emmanuel Seyman [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Thursday, March 07, 2002 9:55 AM
Subject: Re: Slow POP3 / SMTP / FTP connection from internal windoze
machines to linux firewall (gateway)
On Thu, Mar 07, 2002 at 09:13:43AM -0700, Greg Caskey wrote:
My question then is how do I change this.
I have added the line to the /etc/hosts file: (which made netstat -r
fast)
10.0.0.1 fqdn alias
I believe you'll need to run a cacheing nameserver on the machine (there's
a rpm on the CD) and use that as your primary DNS (keeping your ISP's
two DNS servers as backup.
That way, all your machines will know about your internal network.
Emmanuel
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