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yqzq
*nix forums beginner
Joined: 12 May 2006
Posts: 3
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 Posted: Fri May 12, 2006 2:13 am Post subject:
Is it possible to port a DNS to my embedded linux?
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could u give me some details about dns,and some source code for use
thanks alot |
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noone@all.com
*nix forums beginner
Joined: 25 Apr 2006
Posts: 12
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| Posted: Fri May 12, 2006 3:35 am Post subject:
Re: Is it possible to port a DNS to my embedded linux?
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On Fri, 12 May 2006 10:13:35 +0800, yqzq wrote:
| Quote: | could u give me some details about dns,and some source code for use
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for details about dns read the internet RFC documents pertaining to name
resolution and the sourcecode for bind is available at www.isc.org/sw/bind/
Are you sure you want the overhead of a full nameserver on your embedded
system? or are you just wanting to resolve names that other systems
already know about? If you just want to resolve names then the libc
library already contains that functionality. See gethostbyname()...I
think it is handled thru libc.
If you need to provide private dns for an isolated network then I'm not
sure an embedded system is the best platform for that since the
configuration files might not be strictly static and the bind code is
fairly large.
Also, DNS itself can be a source of security risk. Ever hear of name
cache poisoning?
DNS is a fairly complicated service. |
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4wheelerTux
*nix forums beginner
Joined: 12 May 2006
Posts: 1
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| Posted: Fri May 12, 2006 10:48 am Post subject:
Re: Is it possible to port a DNS to my embedded linux?
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Have a look at buildroot http://buildroot.uclibc.org there is a port of
bind ready for many types of embedded platform. |
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yqzq
*nix forums beginner
Joined: 12 May 2006
Posts: 3
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| Posted: Mon May 15, 2006 1:45 am Post subject:
Re: Is it possible to port a DNS to my embedded linux?
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thanks a loot
"4wheelerTux" <eric.gaulin@gmail.com> ????
news:1147430929.385416.79530@q12g2000cwa.googlegroups.com...
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yqzq
*nix forums beginner
Joined: 12 May 2006
Posts: 3
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| Posted: Mon May 15, 2006 1:45 am Post subject:
Re: Is it possible to port a DNS to my embedded linux?
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thanks a lot
"noone" <noone@all.com> ???? news:pan.2006.05.12.03.35.49.858901@all.com...
| Quote: | On Fri, 12 May 2006 10:13:35 +0800, yqzq wrote:
could u give me some details about dns,and some source code for use
for details about dns read the internet RFC documents pertaining to name
resolution and the sourcecode for bind is available at
www.isc.org/sw/bind/
Are you sure you want the overhead of a full nameserver on your embedded
system? or are you just wanting to resolve names that other systems
already know about? If you just want to resolve names then the libc
library already contains that functionality. See gethostbyname()...I
think it is handled thru libc.
If you need to provide private dns for an isolated network then I'm not
sure an embedded system is the best platform for that since the
configuration files might not be strictly static and the bind code is
fairly large.
Also, DNS itself can be a source of security risk. Ever hear of name
cache poisoning?
DNS is a fairly complicated service.
|
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