Добрый день. Резко появилась такая проблема: часть pptp клиентов не может подключиться, выкидывается ошибка 619. Причем 70% от всех клиентов работают нормально. Практически все находятся в разных сетях, но примечателько то, что раньше у них все работало.
cat /etc/pptpd.conf | grep -v "^#" | grep -v "^$"
option /etc/ppp/options.pptpd
debug
logwtmp
connections 100
localip 10.10.82.1
remoteip 10.10.82.121-150
cat /etc/ppp/options.pptpd | grep -v "^#" | grep -v "^$"
name pptpd
refuse-pap
refuse-chap
refuse-mschap
require-mschap-v2
proxyarp
debug
dump
lock
nobsdcomp
novj
novjccomp
nodefaultroute
logfile /var/log/pptpd.log
Using interface ppp5
Connect: ppp5 <--> /dev/pts/13
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <auth chap MS-v2> <magic 0x7489e020> <pcomp> <accomp>]
rcvd [LCP ConfReq id=0x0 <mru 1400> <magic 0x4cf86a4f> <pcomp> <accomp> <callback CBCP>]
sent [LCP ConfRej id=0x0 <callback CBCP>]
rcvd [LCP ConfReq id=0x1 <mru 1400> <magic 0x4cf86a4f> <pcomp> <accomp> <callback CBCP>]
sent [LCP ConfRej id=0x1 <callback CBCP>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <auth chap MS-v2> <magic 0x7489e020> <pcomp> <accomp>]
rcvd [LCP ConfReq id=0x2 <mru 1400> <magic 0x4cf86a4f> <pcomp> <accomp> <callback CBCP>]
sent [LCP ConfRej id=0x2 <callback CBCP>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <auth chap MS-v2> <magic 0x7489e020> <pcomp> <accomp>]
rcvd [LCP ConfReq id=0x3 <mru 1400> <magic 0x4cf86a4f> <pcomp> <accomp> <callback CBCP>]
sent [LCP ConfRej id=0x3 <callback CBCP>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <auth chap MS-v2> <magic 0x7489e020> <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <auth chap MS-v2> <magic 0x7489e020> <pcomp> <accomp>]
rcvd [LCP ConfReq id=0x4 <mru 1400> <magic 0x4cf86a4f> <pcomp> <accomp> <callback CBCP>]
sent [LCP ConfRej id=0x4 <callback CBCP>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <auth chap MS-v2> <magic 0x7489e020> <pcomp> <accomp>]
rcvd [LCP ConfReq id=0x5 <mru 1400> <magic 0x4cf86a4f> <pcomp> <accomp> <callback CBCP>]
sent [LCP ConfRej id=0x5 <callback CBCP>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <auth chap MS-v2> <magic 0x7489e020> <pcomp> <accomp>]
rcvd [LCP ConfReq id=0x6 <mru 1400> <magic 0x4cf86a4f> <pcomp> <accomp> <callback CBCP>]
sent [LCP ConfRej id=0x6 <callback CBCP>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <auth chap MS-v2> <magic 0x7489e020> <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <auth chap MS-v2> <magic 0x7489e020> <pcomp> <accomp>]
rcvd [LCP ConfReq id=0x7 <mru 1400> <magic 0x4cf86a4f> <pcomp> <accomp> <callback CBCP>]
sent [LCP ConfRej id=0x7 <callback CBCP>]
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <auth chap MS-v2> <magic 0x7489e020> <pcomp> <accomp>]
rcvd [LCP ConfReq id=0x8 <mru 1400> <magic 0x4cf86a4f> <pcomp> <accomp> <callback CBCP>]
sent [LCP ConfRej id=0x8 <callback CBCP>]
LCP: timeout sending Config-Requests
Connection terminated.
Modem hangup
May 23 12:23:34 cc-vpn racoon: INFO: IPsec-SA expired: ESP/Transport 78.29.90.86[500]->194.85.58.10[500] spi=112533637(0x6b52085)
May 23 12:23:36 cc-vpn pppd[23476]: LCP: timeout sending Config-Requests
May 23 12:23:36 cc-vpn pppd[23476]: Connection terminated.
May 23 12:23:36 cc-vpn pppd[23476]: Modem hangup
May 23 12:23:36 cc-vpn pppd[23476]: Exit.
May 23 12:23:36 cc-vpn pptpd[23475]: GRE: read(fd=6,buffer=611860,len=8196) from PTY failed: status = -1 error = Input/output error, usually caused by unexpected termination of pppd, check option syntax and pppd logs
May 23 12:23:36 cc-vpn pptpd[23475]: CTRL: PTY read or GRE write failed (pty,gre)=(6,7)
May 23 12:23:36 cc-vpn pptpd[23475]: CTRL: Client 128.72.216.210 control connection finished
От ОС не зависит, клиенты на винде. Фаерволы на киенте крутил, но раньше то подключались.. Шифрование на клиентах поставлено необязательное CentOS release 6.4 (Final) 2.6.32-358.2.1.el6.x86_64
