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DISCUSSION Mateusz Łoskot 3 participants 4 messages May 19, 2002 – May 20, 2002

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#0 lore raw

Hello All,

I have some idea and I have some questions:

I'm using "CABLE MODEM" internet connection, I mean I have a small box (cable modem) which is connected with BNC cable comming from my ISP. My ISP is a bit popular in Europe (Austria, Poland, Germany etc.). It is called CHELLO.

So, this ISP doesn't allow to run any server services.
I know that I could run some servers (www, ftp, mail) with some tricks ;) in order to be not visible (my services) for my ISP.
Bay the way, could someone explain me, how to make services on my box unvisible for my ISP ?
I know that I can run, for example FTP server on different ports and so on, but I think that my ISP can make some monitoring of SYN packets going straigth to my server and check on which port someone try to connect with my server.
What do you think, am I talking nonsense ?

But, as I said on the start, I;m going to not use tricks ;)

My local home network structure looks like this:

3 machines: 1x linux (Slackware), 2x Windows.
Slackware runs as local network server: printer server, file server (with big HDD), backup server, and masq & firewall .

So, me and my Wife works on 2 Windows machines, we have e-mail and www accounts outside (in different ISP's).
As I said, we have'nt any server on Linux machine.

I have some idea:

I would like to treat my Linux as e-mail (pop3) server. Linux is running 24 hours per day, so it could fetch mail from our e-mail accounts and on windows machines, I could fetch e-mails straight from my Linux server (it could runs POP3 server). So, Linux may try to fetch e-mails every 15 minutes. This solution could prevent my e-mail accounts (which I have in different ISP's) to run out of free space, because my Linux (in my home, fetches this e-mails).
When I'll send my e-mails, I will use SMTP servers from my ISP's (outside my home network).
So, I have some question:

Could someone try to explain me what software should I install ? I know that I have to install some POP3 server or/and fetchmail.

Any suggestions, piece of advice ???

Best regards,

--

Mateusz £oskot
E-mail: [email protected]
GG#: 792434

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#1 lore raw
Quoted 8 lines · Mateusz ?oskot

Hello All,

I have some idea and I have some questions:

I'm using "CABLE MODEM" internet connection, I mean I have a small box (cable modem) which is connected with BNC cable comming from my ISP. My ISP is a bit popular in Europe (Austria, Poland, Germany etc.). It is called CHELLO.

In Holland we have a word for "chello" but i will spare everyone that.

Quoted 2 lines

So, this ISP doesn't allow to run any server services.

Please explain, run servers, who is chello so dictate what "they" a;;ow and don not allow, they provide an "internet service" which means you the end user are connect to the net, it does not matter what you do or what services you supply to others, you pay on a data basis, or is it so much different in your Country as it is here in Holland.?????

Quoted 2 lines

I know that I could run some servers (www, ftp, mail) with some tricks ;) in order to be not visible (my services) for my ISP.

That is AFAIK not nessasary..

Quoted 2 lines

Bay the way, could someone explain me, how to make services on my box unvisible for my ISP ?

I think you need to understand that every byte of data is readable to you isp, every packet is readable so your isp knows on which ports you operate, its up to you to encrypt your data so noone can read your data period, but you cannot stop one from seeing to which port it is sent and which port it came from.

Quoted 5 lines

I know that I can run, for example FTP server on different ports and so on, but I think that my ISP can make some monitoring of SYN packets going straigth to my server and check on which port someone try to connect with my server.
What do you think, am I talking nonsense ?

I said nothing, but your isp can see "everything" belive me, o BTW; he see's it only if he wants to..

Quoted 2 lines

But, as I said on the start, I;m going to not use tricks ;)

Why should you.???

Quoted 25 lines

My local home network structure looks like this:

3 machines: 1x linux (Slackware), 2x Windows.
Slackware runs as local network server: printer server, file server (with big HDD), backup server, and masq & firewall .

So, me and my Wife works on 2 Windows machines, we have e-mail and www accounts outside (in different ISP's).
As I said, we have'nt any server on Linux machine.

I have some idea:

I would like to treat my Linux as e-mail (pop3) server. Linux is running 24 hours per day, so it could fetch mail from our e-mail accounts and on windows machines, I could fetch e-mails straight from my Linux server (it could runs POP3 server). So, Linux may try to fetch e-mails every 15 minutes. This solution could prevent my e-mail accounts (which I have in different ISP's) to run out of free space, because my Linux (in my home, fetches this e-mails).
When I'll send my e-mails, I will use SMTP servers from my ISP's (outside my home network).
So, I have some question:

Quoted 2 lines

Could someone try to explain me what software should I install ? I know that I have to install some POP3 server or/and fetchmail.

Simply use IP_MASQ on your linux router for you internal network, i have had to read between the lines here but i think you mean, you want your internal machines to be able to access the net via chello right.?????

Quoted 2 lines

Any suggestions, piece of advice ???

Yes one, please try to explain just what you want to do as here in Holland i know of many who use CHELLO and one can do what one wants, its a pay as you go basis not you may not have servers...

Quoted 9 lines

Best regards,

--

Mateusz £oskot
E-mail: [email protected]
GG#: 792434

Signature · 9 lines
Regards Richard
[email protected]
http://people.zeelandnet.nl/pa3gcu/

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#3 lore raw

Hello Tom,

Quoted 1 line · you
Quoted 1 line

So, this ISP doesn't allow to run any server services.

TB> then, I would change my ISP, if I'm not allowed to run my on TB> mail services, or whatever service.

Hm, easy to say ;)
This is one of few ISP which serve a very cheap internet connection. CHELLO is known in a few countries here in Europe.
CHELLO provides cable TV and CABLE MODEM internet connection. So, here in Poland I pay about 20 $ per month for 512 kbps so, it is very cheap (in Poland).
But when I'd like to change my ISP , i have to pay about 100 $ per month, I'm a student, so I haven't a lot of money ;)

So I'm searching other ways.

Best Regards

--

Mateusz £oskot
E-mail: [email protected]
GG#: 792434

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To unsubscribe from this list: send the line "unsubscribe linux-newbie" in the body of a message to [email protected]
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