[시스템][보안] 데몬 버전 숨기기

>>>> Apache src/include/httpd.h :

#define SERVER_BASEVERSION “Apache/[Not Available]”

>>>> Proftpd proftpd.conf :

ServerIdent on “[Not Available]”

>>>> Wu-ftpd /etc/ftpaccess:

greeting text Not Available

>>>> Sendmail

sendmail/version.c

char Version[] = “[Not Available]”;

/etc/sendmail.cf:

# SMTP initial login message

O SmtpGreetingMessage=$j [Not Available]

>>>> Bind

/etc/named.conf ou

Version named.conf:

version “[Not Available]”;

>>>> SSH1/OpenSSH

version.h :

#define SSH_VERSION “[Not Available]”

>>>>> SSH2

apps/ssh/ssh2version.h :

#define SSH2_VERSION “[Not Available]”

IMAP (imapd,ipop2d,ipop3d)

src/imapd/imapd.c (imap) Line 184) char *version = “[Not

Available]”;

src/ipopd/ipop2d.c (pop2) Line 54) char *version = “[Not

Available]”;

src/ipopd/ipop3d.c (pop3) Line 64) char *version = “[Not

Available]”;

>>>>> O.S.-Guessing Linux (2.2.x)

kernel patch: KOSF (Kernel Operation System Faker)

http://linuxsecurity.com.br/tools/patch/linux/kosf.tar.gz

>>>>> O.S.-Guessing Linux (2.4.x)

http://ippersonality.sourceforge.net/

CONFIG_IP_NF_PERS patch.

ipt_PERS http://ippersonality.sourceforge.net/doc/ippersonality-

en.html

>>>>> Microsoft Windows NT registry

http://www.linuxsecurity.com.br/info/microsoft/obscurity.nt.txt