TCP over DNS

tcp-over-dns contains a special dns server and a special dns client. The client and server work in tandem to provide a TCP (and UDP!) tunnel through the standard DNS protocol.

Features:

• Windows, Linux, Solaris compatibility (BSD/OSX reports are welcome) (Anything with a Java 6 VM)
• Sliding window packet transfers for increased speed and reliability.
• Runtime selective LZMA compression.
• TCP and UDP traffic tunneling.

Software Requirements:

• Java runtime environment 6.0+
• Server requires root/admin port 53 access.

Download Java Devlopment Kit (JDK)
http://java.sun.com/javase/downloads/index.jsp
pilih: Java SE Development Kit (JDK) - JDK 6 Update 14
ada 2 macam: jdk-6u14-linux-i586-rpm.bin dan jdk-6u14-linux-i586.bin

Install Java Devlopment Kit (JDK)
root@lare_ndusun:~# chmod a+x jdk-6u14-linux-i586-rpm.bin
root@lare_ndusun:~# ./jdk-6u14-linux-i586-rpm.bin
or
root@lare_ndusun:~# chmod a+x jdk-6u14-linux-i586.bin
root@lare_ndusun:~# ./jdk-6u14-linux-i586.bin

Domain Setting
domain1: orek2an.com A 64.233.189.191
domain2: orek2an-dns-tunnel.com NS orek2an.com
64.233.189.191 = IP server
http://freedns.afraid.org (GRATIS)

Command
server:
java -jar tcp-over-dns-server.jar --domain orek2an-dns-tunnel.com --forward-port 22
forward port bisa yang lain

client:
java -jar tcp-over-dns-client.jar --domain orek2an-dns-tunnel.com --listen-port 60022 --interval 100
listen port bisa yang lain, nilai interval bisa yang lain

Available options:

--domain --dns-server --listen-port --listen-address --interval --mtu --trunc-bytes --log-level

a.b.com a.b.c.d portNum a.b.c.d time bytes bytes 0-5

The domain name that the dns server is sitting behind. This must match the server's domain argument. Add a dns server to tunnel through. Overrides default servers. This option may be specified multiple times. The port the client should listen on. Defaults to port 8080. The address on which to listen for local connections. Defaults to all addresses. The delay between sending packets, in milliseconds. Defaults to 200. Set the udp maximum MTU. Defaults to 1500. Tell the server to prevent truncation by sending less data when answering queries. Defaults to 0. The amount of information to display. Defaults to 3. 0: Display nothing. 1: Display errors. 2: Display errors, warnings. 3: Display errors, warnings, general information. 4: Spam. 5: Megaspam.

NB:
I use CentOS.

iodine - DNS Tunnel

Description
iodine lets you tunnel IPv4 data through a DNS server. This can be useful in situations where Internet access is firewalled, but DNS queries are allowed. It needs a TUN/TAP device to operate. The bandwidth is asymmetrical with limited upstream and up to 1 Mbit/s downstream. iodine is the client application, iodined is the server.

install iodine di CentOS
yum install iodine

server command
iodined -f -P lare_ndusun 172.16.0.0 orek2an.com

client command
iodine -f -P lare_ndusun 64.233.189.191 orek2an.com

NB:
64.233.189.191 =  public IP
iodine server and client version must same

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Linux Command

passwd
cat /etc/issue
yum install openvpn
dmesg | grep TUN
modprobe tun
mkdir -p /dev/net
mknod /dev/net/tun c 10 200
chmod 600 /dev/net/tun
dmesg | grep TUN
exit
netstat -ntulp
nano /etc/ssh/sshd_config
useradd indosat -M -s /bin/false
passwd indosat
netstat -ntulp
nano /etc/ssh/sshd_config
reboot
yum install gunzip
yum install nano
rpm -Uhv http://apt.sw.be/redhat/el5/en/i386/rpmforge/RPMS/rpmforge-release-0.3.6-1.el5.rf.i386.rpm
yum install openvpn
service openvpn start
yum install nano
yum update
cp -r /usr/share/doc/openvpn-2.0.9/easy-rsa/ /etc/openvpn/
cp /usr/share/doc/openvpn-2.0.9/sample-config-files/server.conf /etc/openvpn/
cd /etc/openvpn/easy-rsa/2.0
source ./vars
./vars
netstat -ntulp
passwd indosat
useradd larendusun -M -s /bin/false
passwd larendusun
w
who
exit
wget http://www.stunnel.org/download/stunnel/src/stunnel-4.26.tar.gz
tar -zxvf stunnel-4.26.tar.gz
cd stunnel-4.26
./configure
make
make install
cd /usr/local/etc/stunnel
ls
chmod 777 /usr/local/etc/stunnel/stunnel.pem
nano stunnel.conf
mv stunnel.conf-sample stunnel.conf
nano stunnel.conf
ls
exit
w
netstat -ntulp
ps aux | grep stunnel
stunnel /usr/local/etc/stunnel/stunnel.conf
ps aux | grep stunnel
cd /usr/local/etc/stunnel
ls
nano stunnel.conf
ls
netstat -ntulp
kill -9 32607
netstat -ntulp
nano /etc/ssh/sshd_config
netstat -ntulp
/etc/init.d/sshd stop
/etc/init.d/sshd start
/etc/init.d/ssh restart
service sshd restart
ps aux | grep stunnel
cd /usr/local/etc/stunnel
ls
nano stunnel.conf
netstat -ntulp
nano /etc/ssh/sshd_config
cd
netstat -ntulp
service sshd restart
netstat -ntulp
cd /usr/local/etc/stunnel
nano stunnel.conf
nano stunnel.conf
netstat -ntulp
service stunnel restart
stunnel /usr/local/etc/stunnel/stunnel.conf stop
stunnel /usr/local/etc/stunnel/stunnel.conf
netstat -ntulp
reboot
netstat -ntulp
cd /usr/local/etc/stunnel
stunnel /usr/local/etc/stunnel/stunnel.conf
netstat -ntulp
cd
yum install stunnel squid
/etc/squid/squid.conf
nano /etc/squid/squid.conf
nano /etc/squid/squid.conf
nano /etc/pam.d/squid
cd /tmp/
openssl genrsa -out privkey.pem 2048
openssl req -new -x509 -key privkey.pem -out cacert.pem -days 1095
cat privkey.pem cacert.pem >> /etc/stunnel/stunnel.pem
chmod 0400 /etc/stunnel/stunnel.pem
mkdir /var/run/stunnel
chown nobody.nobody /var/run/stunnel
cd /etc/stunnel/stunnel.conf
nano /etc/stunnel/stunnel.conf
cd
cd /etc/stunnel
ls
nano stunnel.conf
service squid start
chkconfig squid on
stunnel
/etc/rc.d/rc.local
nano /etc/rc.d/rc.local
ls
nano stunnel.conf
nano /etc/squid/squid.conf
ps ax |grep squid
touch /etc/squid/squid_passwd
chmod o+r /etc/squid/squid_passwd
cd
htpasswd /etc/squid/squid_passwd larendusun
rpm -ql squid | grep ncsa_auth
nano /etc/squid/squid.conf
/etc/init.d/squid restart
/etc/init.d/squid stop
cd /etc/squid
ls
nano squid_passwd
htpasswd /etc/squid/squid_passwd wongndeso
nano /etc/squid/squid.conf
nano /etc/squid/squid.conf
cd
useradd wongndeso -M -s /bin/false
passwd wongndeso
tail -f /var/log/squid/access.log
netstat -ntulp
cd /usr/local/etc/stunnel
nano stunnel.conf
cd /etc/stunnel/stunnel.conf
nano /etc/stunnel/stunnel.conf
nano /etc/squid/squid.conf
nano /etc/squid/squid.conf
/etc/init.d/squid restart
reboot
ps ax |grep squid
service squid start
tail -f /var/log/squid/cache.log
ano /etc/stunnel/stunnel.conf
nano /etc/stunnel/stunnel.conf
nano /etc/squid/squid.conf
service squid start
service squid stop
tail -f /var/log/squid/cache.log
/usr/local/squid/libexec/ncsa_auth /usr/local/squid/etc/passwd'
/usr/local/squid/libexec/ncsa_auth /usr/local/squid/etc/passwd
'/usr/local/squid/libexec/ncsa_auth /usr/local/squid/etc/passwd'
nano /usr/local/squid/libexec/ncsa_auth /usr/local/squid/etc/passwd
nano /etc/squid/squid.conf
nano /etc/squid/squid.conf
yum remove squid
yum install stunnel squid
nano /etc/squid/squid.conf
nano /etc/squid/squid.conf
nano /etc/pam.d/squid
cd /tmp/
openssl genrsa -out privkey.pem 2048
openssl req -new -x509 -key privkey.pem -out cacert.pem -days 1095
cat privkey.pem cacert.pem >> /etc/stunnel/stunnel.pem
chmod 0400 /etc/stunnel/stunnel.pem
mkdir /var/run/stunnel
chown nobody.nobody /var/run/stunnel
nano /etc/stunnel/stunnel.conf
nano /etc/squid/squid.conf
nano /etc/stunnel/stunnel.conf
service squid start
chkconfig squid on
stunnel
cd
useradd -o -u 0 -g 0 gundulmu
passwd gundulmu
nano /etc/squid/squid.conf
service squid
service squid stop
service squid start
nano /etc/stunnel/stunnel.conf
stunnel
service stunnel stop
reboot
stunnel /etc/stunnel/stunnel.conf
netstat -ntulp
yum remove stunnel
yum install stunnel
ls
nano /etc/pam.d/squid
cd /tmp/
openssl genrsa -out privkey.pem 2048
openssl req -new -x509 -key privkey.pem -out cacert.pem -days 1095
cat privkey.pem cacert.pem >> /etc/stunnel/stunnel.pem
chmod 0400 /etc/stunnel/stunnel.pem
mkdir /var/run/stunnel
chown nobody.nobody /var/run/stunnel
nano etc/stunnel/stunnel.conf
nano /etc/stunnel/stunnel.conf
chkconfig squid on
stunnel
nano /etc/rc.d/rc.local
netstat -ntulp
cd /usr/local/etc/stunnel
ls
nano stunnel.conf
netstat -ntulp
cd
cd /usr/local/etc/stunnel
nano stunnel.conf
rebot
reboot
netstat -ntulp
nano /etc/stunnel/stunnel.conf
kill -9 27907
netstat -ntulp
rm -rf /usr/local/etc/stunnel
cd /usr/local/etc/stunnel
ls
rebot
yum clean-all
yum clean all
yum update
nano /etc/squid/squid.conf
nano /etc/ssh/sshd_config
service sshd restart
netstat -ntulp
w
exit
cat /etc/passwd
userdel japemethe
useradd cahngawi -M -s /bin/false
passwd cahngawi
service sshd restart
exit
nano /etc/ssh/sshd_config
service sshd restart
service sshd restart
nano /etc/ssh/sshd_config
netstat -ntulp
cd /etc/squid
ls
nano squid.conf
touch /etc/squid/squid_passwd
chmod o+r /etc/squid/squid_mbuh
htpasswd /etc/squid/squid_passwd mbuh
/etc/init.d/squid restart
nano squid.conf
/etc/init.d/squid restart
nano /etc/squid/squid.conf
exit
ls
exit
passwd orek2an
service sshd restart
w
reboot
ls
cd /etc/ssh
ls
nano sshd_config
ps aux
passwd pecasndahe
reboot
ls
w
ls
cd /etc/squid
ls
nano squid.conf
htpasswd /etc/squid/squid_passwd plikel
/etc/init.d/squid restart
nano squid.conf
/etc/init.d/squid restart
exit
ls
cat /etc/issue
yum install openvpn
service openvpn start
cd /etc/openvpn
ls
nano server.conf
nano /etc/syslog.conf
touch /var/log/openvpn.log
service openvpn start
cat /var/log/openvpn.log
killall -HUP syslogd
cat /var/log/openvpn.log
service openvpn start
dmesg | grep TUN
modprobe tun
yum install update
cd
cd /var
yum -y install httpd
cd
cd /etc/ssh
ls
nano sshd_config
ps ax
w
netstat -pan | grep ssh
kill -9 11690
kill -9 9732
/sbin/service httpd start
cd /etc/
ls
cd /var
ls
cd www
ls
hostname
ps -ef|grep -i webmin
yum remove usermin
ps ax
iptables -L
iptables -F
cd
ps ax
/sbin/service httpd stop
cd /ssh
cd /etc/ssh
ls
nano ssh_conig
nano ssh_config
nano sshd_config
cd /etc/hosts.allow
cat /etc/hosts.allow
yum install openssh-server
who
last
netstat grep ssh
passwd
exit
useradd -o -u 0 -g 0 mimin
passwd mimin
history
service webmin start
cd /etc/ssh
ls
nano sshd_config
cd /etc/
ls
cd passwd
ps aux | grep sshd

How to : Install Webmin

install

yum -y install perl-Net-SSLeay
wget http://prdownloads.sourceforge.net/webadmin/webmin-1.480-1.noarch.rpm
rpm -i webmin-1.480-1.noarch.rpm

uninstall

/etc/webmin/uninstall.sh

start/stop/restart/status service

service webmin [start/stop/restart/status]

/sbin/service webmin stop
/sbin/service webmin start

/etc/webmin/stop
/etc/webmin/start

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