[Snort-users] unknown dynamic preprocessor "ftp_telnet"

Matthew Watchinski mwatchinski at ...1935...
Sat Jan 27 13:51:51 EST 2007


It looks like "make install" didn't create the necessary sym links in
/usr/local/lib/snort_dynamicpreprocessor

Do the following and see if it fixes it.

cd /usr/local/lib/snort_dynamicpreprocessor

ln -s libsf_ftptelnet_preproc.so.0.0 libsf_ftptelnet_preproc.so
ln -s libsf_dcerpc_preproc.so.0.0 libsf_dcerpc_preproc.so
ln -s libsf_smtp_preproc.so.0.0 libsf_smtp_preproc.so
ln -s libsf_dns_preproc.so.0.0 libsf_dns_preproc.so
ln -s libsf_ssh_preproc.so.0.0 libsf_ssh_preproc.so

OlRoy OlRoy wrote:
> OS: OpenBSD 4.0
> Snort version: Snort-2.6.1.2
> Config: default snort.conf
> 
> When I tried installing Snort with
> ./configure --enable-dynamicplugin --prefix=/usr/local/stow/snort-2.6.1.2
> it seemed to work fine. However, I got the following error when trying to run Snort in IDS mode.
> 
> Loading dynamic engine /usr/local/lib/snort_dynamicengine/libsf_engine.so... done
> Loading all dynamic preprocessor libs from /usr/local/lib/snort_dynamicpreprocessor/...
> Warning: No dynamic libraries found in directory /usr/local/lib/snort_dynamicpreprocessor/!
> Finished Loading all dynamic preprocessor libs from /usr/local/lib/snort_dynamicpreprocessor/
> /etc/snort/snort.conf(573) unknown dynamic preprocessor "ftp_telnet"
> /etc/snort/snort.conf(577) unknown dynamic preprocessor "ftp_telnet_protocol"
> /etc/snort/snort.conf(591) unknown dynamic preprocessor "ftp_telnet_protocol"
> /etc/snort/snort.conf(596) unknown dynamic preprocessor "ftp_telnet_protocol"
> /etc/snort/snort.conf(622) unknown dynamic preprocessor "smtp"
> /etc/snort/snort.conf(777) unknown dynamic preprocessor "dcerpc"
> /etc/snort/snort.conf(795) unknown dynamic preprocessor "dns"
> ERROR: Misconfigured dynamic preprocessor(s)
> Fatal Error, Quitting..
> 
> 
> # ls /usr/local/lib/snort_dynamicpreprocessor/
> libsf_dcerpc_preproc.a libsf_ftptelnet_preproc.so.0.0
> libsf_dcerpc_preproc.la libsf_smtp_preproc.a
> libsf_dcerpc_preproc.so.0.0 libsf_smtp_preproc.la
> libsf_dns_preproc.a libsf_smtp_preproc.so.0.0
> libsf_dns_preproc.la libsf_ssh_preproc.a
> libsf_dns_preproc.so.0.0 libsf_ssh_preproc.la
> libsf_ftptelnet_preproc.a libsf_ssh_preproc.so.0.0
> libsf_ftptelnet_preproc.la
> 
> Does anyone know how I can get this working?
>  
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