На этот вопрос уже есть ответ здесь:
Как отключить клиент pptp, подключенный к серверу Cent OS 6.2, со стороны сервера? ifdown ppp0 не работает.
просто попробуйте любое из следующих действий. Это должно сработать. здесь #pid - это идентификатор процесса службы pptp.
`kill $pid` or `killall pppd`
или используйте
# kill {pppd-PID}
Podeu utilitzar accel-ppp, perquè té un cli molt potent. I podeu desconnectar un usuari concret sense cap problema.
# telnet 127.0.0.1 2000
Trying 127.0.0.1...
Connected to localhost (127.0.0.1).
Escape character is '^]'.
accel-ppp version c0b2b260b2c9b8c3375d51e90cd1edf552d7655a
Password: ******
L'adreça IP 127.0.0.1 i el port 2000 s'han configurat a través del fitxer de configuració principal accel-ppp.conf
[cli]
telnet=127.0.0.1:2000
tcp=127.0.0.1:2001
password=1234567
Per obtenir les sessions actuals podeu utilitzar ' show sessions Comanda '
accel-ppp# show sessions
ifname | username | calling-sid | ip | type | comp | state | uptime
--------+----------+---------------+----------------+------+------+--------+----------
ppp0 | alex | 192.168.1.7 | 192.168.216.10 | pptp | mppe | active | 00:32:50
ppp1 | john | 192.168.1.100 | 192.168.216.11 | l2tp | mppe | active | 00:00:49
Per finalitzar una específica podeu utilitzar l'ordre' finalitzar '
accel-ppp# terminate username john soft
accel-ppp# show sessions
ifname | username | calling-sid | ip | type | comp | state | uptime
--------+----------+-------------+----------------+------+------+--------+----------
ppp0 | alex | 192.168.1.7 | 192.168.216.10 | pptp | mppe | active | 00:34:57
L'ordre Finalitza té moltes opcions
terminate if <interface> [soft|hard]- terminate session by interface name
[match] username <username> [soft|hard]- terminate session by username
ip <addresss> [soft|hard]- terminate session by ip address
csid <id> [soft|hard]- terminate session by calling station id
sid <id> [soft|hard]- terminate session by session id
all [soft|hard]- terminate all sessions
En un fitxer de registre / var / log / messages vegeu
Mar 19 13:10:00 vpn accel-pppd: l2tp: new tunnel 59521-1 created following reception of SCCRQ from 192.168.1.100:1701
Mar 19 13:10:00 vpn accel-pppd: l2tp tunnel 59521-1 (192.168.1.100:1701): established at 192.168.1.6:1701
Mar 19 13:10:00 vpn accel-pppd: l2tp tunnel 59521-1 (192.168.1.100:1701): new session 898-1 created following reception of ICRQ
Mar 19 13:10:03 vpn accel-pppd: ppp1:john: connect: ppp1 <--> l2tp(192.168.1.100:1701 session 59521-1, 898-1)
Mar 19 13:10:03 vpn accel-pppd: ppp1:john: john: authentication succeeded
Mar 19 13:10:03 vpn accel-pppd: ppp1:john: IPV6CP: discarding packet
Mar 19 13:10:03 vpn accel-pppd: ppp1:john: session started over l2tp session 59521-1, 898-1
Mar 19 13:12:39 vpn accel-pppd: l2tp session 59521-1, 898-1: data channel closed, disconnecting session
Mar 19 13:12:39 vpn accel-pppd: l2tp tunnel 59521-1 (192.168.1.100:1701): no more session, disconnecting tunnel