Использование pppd в качестве сервера
/etc/ppp/options должен содержать примерно следующее:
crtscts # Hardware flow control netmask 255.255.255.0 # netmask (not required) 192.114.208.20:192.114.208.165 # IP's of local and remote hosts # local ip must be different from one # you assigned to the Ethernet (or other) # interface on your machine. # remote IP is IP address that will be # assigned to the remote machine domain ppp.foo.com # your domain passive # wait for LCP modem # modem line
Следующий скрипт /etc/ppp/pppserv укажет pppd работать в качестве сервера:
#!/bin/sh ps ax |grep pppd |grep -v grep pid=`ps ax |grep pppd |grep -v grep|awk '{print $1;}'` if [ "X${pid}" != "X" ] ; then echo 'killing pppd, PID=' ${pid} kill ${pid} fi ps ax |grep kermit |grep -v grep pid=`ps ax |grep kermit |grep -v grep|awk '{print $1;}'` if [ "X${pid}" != "X" ] ; then echo 'killing kermit, PID=' ${pid} kill -9 ${pid} fi
# reset ppp interface ifconfig ppp0 down ifconfig ppp0 delete
# enable autoanswer mode kermit -y /etc/ppp/kermit.ans
# run ppp pppd /dev/tty01 19200
Используйте этот скрипт /etc/ppp/pppservdown для остановки сервера:
#!/bin/sh ps ax |grep pppd |grep -v grep pid=`ps ax |grep pppd |grep -v grep|awk '{print $1;}'` if [ "X${pid}" != "X" ] ; then echo 'killing pppd, PID=' ${pid} kill ${pid} fi ps ax |grep kermit |grep -v grep pid=`ps ax |grep kermit |grep -v grep|awk '{print $1;}'` if [ "X${pid}" != "X" ] ; then echo 'killing kermit, PID=' ${pid} kill -9 ${pid} fi ifconfig ppp0 down ifconfig ppp0 delete
kermit -y /etc/ppp/kermit.noans
Следующий kermit скрипт (/etc/ppp/kermit.ans) включит/отключит режим ответа модема на входящие звонки. Он должен выглядеть примерно так:
set line /dev/tty01 set speed 19200 set file type binary set file names literal set win 8 set rec pack 1024 set send pack 1024 set block 3 set term bytesize 8 set command bytesize 8 set flow none
pau 1 out +++ inp 5 OK out ATH0\13 inp 5 OK echo \13 out ATS0=1\13 ; change this to out ATS0=0\13 if you want to disable ; autoanswer mode inp 5 OK echo \13 exit