getprotobyname problems

Jim Gifford lfs at
Fri Aug 20 09:29:37 PDT 2004

Gerard Beekmans wrote:

>Hi guys,
>Hopefully one of you guys can help me out here with a problem. For some
>reason the "getprotobyname" function isn't working anymore and this is
>causing problems with Perl at the moment.
>On a new LFS installation it works just fine and on all other computers
>is works fine, so this is a problem that cropped up recently on one of
>my servers but I am unable to track it down. I wonder if it's a Glibc
>problem or not, but I am not sure how to put together a quick test
>program that will tell me as much.
>Any of you can help me out here? I will be reinstalling LFS on this
>server so the problem will become moot after the weekend. However, I
>would like to have it fixed during the weekend too. I'm doing some SNMP
>programming in Perl for my boss and I'd like to show him my results.
>That's not working right now due to this getprotobyname issue.
>Btw this error also shows up during Perl's "make test" and during Perl's
>Configure it says that getprotobyname() and getprotobynumber() aren't
>found. Which, to me, looks like a Glibc problem.
>It works fine on my laptop with the same Glibc version (2.3.2). Maybe
>header file issues? /etc/protocols (which is used by getprotobyname) is
>present and world readable and is a proper format.
>Thanks for any help,
It the services file, I have had this issue numerous times

jim at
lfs at

LFS User # 2577
Registered Linux User # 299986

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