Re: Snort Error

[Paraskevas Lampadas <parislampadas () gmail com>]

It looks to work fine now!
Thanks a lot!

Με εκτίμηση,

Λαμπαδάς Πάρης
*Μηχανικός Πληροφορικής Τ.Ε.*
*Cisco Certified Network Associate*

On Thu, Jan 19, 2017 at 2:35 AM, Al Lewis (allewi) <allewi () cisco com> wrote:

> Same result. See attached.
>
> *Albert Lewis*
>
> ENGINEER.SOFTWARE ENGINEERING
>
> SOURCE*fire*, Inc. now part of *Cisco*
>
> Email: allewi () cisco com
>
> From: Paraskevas Lampadas <parislampadas () gmail com>
> Date: Wednesday, January 18, 2017 at 7:25 PM
>
> To: allewi <allewi () cisco com>
> Cc: 'snort-users' <snort-users () lists sourceforge net>, waldo kitty <
> wkitty42 () windstream net>
> Subject: Re: [Snort-users] Snort Error
>
> I'll check it, but as i see you are using snort 2.9.8.3. I am using
> latest, 2.9.9.0 i don't know if that changes anything
>
> Με εκτίμηση,
>
> Λαμπαδάς Πάρης
> *Μηχανικός Πληροφορικής Τ.Ε.*
> *Cisco Certified Network Associate*
>
> On Thu, Jan 19, 2017 at 2:22 AM, Al Lewis (allewi) <allewi () cisco com>
> wrote:
>
> > See attached. I just tested it with the -T and it runs fine.
> >
> >
> > This is the sample (trimmed down config I used with your variables).
> >
> >
> > # Setup the network addresses you are protecting
> > *ipvar HOME_NET 192.168.10.0/24 <http://192.168.10.0/24>*
> >
> > # Set up the external network addresses. Leave as "any" in most situations
> > *ipvar EXTERNAL_NET !$HOME_NET*
> >
> > preprocessor stream5_global: \
> > max_tcp 8192, \
> > track_tcp yes, \
> > track_udp yes, \
> > track_icmp no
> > preprocessor stream5_tcp:
> > preprocessor stream5_udp:
> >
> > preprocessor frag3_global:
> > preprocessor frag3_engine:
> >
> >
> > alert tcp HOME_NET any -> EXTERNAL_NET any ( msg:"test"; sid: 1000001; )
> >
> >
> >
> >
> >
> > *Albert Lewis*
> >
> > ENGINEER.SOFTWARE ENGINEERING
> >
> > SOURCE*fire*, Inc. now part of *Cisco*
> >
> > Email: allewi () cisco com
> >
> > From: Paraskevas Lampadas <parislampadas () gmail com>
> > Date: Wednesday, January 18, 2017 at 7:13 PM
> >
> > To: allewi <allewi () cisco com>
> > Cc: 'snort-users' <snort-users () lists sourceforge net>, waldo kitty <
> > wkitty42 () windstream net>
> > Subject: Re: [Snort-users] Snort Error
> >
> >
> >
> > Με εκτίμηση,
> >
> > Λαμπαδάς Πάρης
> > *Μηχανικός Πληροφορικής Τ.Ε.*
> > *Cisco Certified Network Associate*
> >
> > On Thu, Jan 19, 2017 at 2:08 AM, Al Lewis (allewi) <allewi () cisco com>
> > wrote:
> >
> > > Please send a copy of your config.
> > >
> > > *Albert Lewis*
> > >
> > > ENGINEER.SOFTWARE ENGINEERING
> > >
> > > SOURCE*fire*, Inc. now part of *Cisco*
> > >
> > > Email: allewi () cisco com
> > >
> > > From: Paraskevas Lampadas <parislampadas () gmail com>
> > > Date: Wednesday, January 18, 2017 at 7:06 PM
> > > To: allewi <allewi () cisco com>
> > > Cc: 'snort-users' <snort-users () lists sourceforge net>, waldo kitty <
> > > wkitty42 () windstream net>
> > >
> > > Subject: Re: [Snort-users] Snort Error
> > >
> > > As I mentioned on my first message :
> > >
> > > Everything is fine except that i get alerts coming from my internal
> > > network as attacks, which are false alarms. On /etc/snort/snort.conf i have
> > > set the EXTERNAL NET as any.
> > >
> > > I tried to make as !$HOME NET, but then the snort fails to load at
> > > startup. If i change it back to any everything works fine.
> > >
> > > How else can i avoid receiving alerts from my internal network?
> > >
> > > Στις 19 Ιαν 2017 02:03, ο χρήστης "Al Lewis (allewi)" <allewi () cisco com>
> > > έγραψε:
> > >
> > > > Looks like you need to set EXTERNAL_NET to something.
> > > >
> > > > Take a look at the default config that comes with the download.
> > > >
> > > >
> > > > cliffjumper$ less /var/tmp/snort-2.9.8.3/etc/snort.conf | grep EXTERNAL
> > > > *ipvar EXTERNAL_NET any*
> > > >
> > > > *Albert Lewis*
> > > >
> > > > ENGINEER.SOFTWARE ENGINEERING
> > > >
> > > > SOURCE*fire*, Inc. now part of *Cisco*
> > > >
> > > > Email: allewi () cisco com
> > > >
> > > > From: Paraskevas Lampadas <parislampadas () gmail com>
> > > > Date: Wednesday, January 18, 2017 at 6:51 PM
> > > > To: waldo kitty <wkitty42 () windstream net>
> > > > Cc: 'snort-users' <snort-users () lists sourceforge net>
> > > > Subject: Re: [Snort-users] Snort Error
> > > >
> > > > " FATAL ERROR: /etc/snort/snort.conf(48) Missing argument to
> > > > EXTERNAL_NET"
> > > >
> > > > The exact error message
> > > >
> > > > Με εκτίμηση,
> > > >
> > > > Λαμπαδάς Πάρης
> > > > *Μηχανικός Πληροφορικής Τ.Ε.*
> > > > *Cisco Certified Network Associate*
> > > >
> > > > On Thu, Jan 19, 2017 at 1:43 AM, Paraskevas Lampadas <
> > > > parislampadas () gmail com> wrote:
> > > >
> > > > > FATAL ERROR variable EXTERNAL_NET not set, or something like that.
> > > > >
> > > > > Με εκτίμηση,
> > > > >
> > > > > Λαμπαδάς Πάρης
> > > > > *Μηχανικός Πληροφορικής Τ.Ε.*
> > > > > *Cisco Certified Network Associate*
> > > > >
> > > > > On Wed, Jan 18, 2017 at 4:02 AM, <wkitty42 () windstream net> wrote:
> > > > >
> > > > > > On 01/17/2017 04:37 PM, Paraskevas Lampadas wrote:
> > > > > > > I tried to make as !$HOME NET, but then the snort fails to load at
> > > > > > startup.
> > > > > > > If i change it back to any everything works fine.
> > > > > > >
> > > > > > > How else can i avoid receiving alerts from my internal network?
> > > > > >
> > > > > > what is the exact error message given at startup when you set
> > > > > > EXTERNAL_NET to
> > > > > > !HOME_NET??
> > > > > >
> > > > > > --
> > > > > >   NOTE: No off-list assistance is given without prior approval.
> > > > > >         *Please keep mailing list traffic on the list* unless
> > > > > >         private contact is specifically requested and granted.
> > > > > >
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