Код: Выделить всё
startup:
default:
load pptp_pix_0
# load pptp_pix_1
pptp_pix_0:
create bundle static B1
#set iface route default
#set ipcp ranges 0.0.0.0/0 0.0.0.0/0
create link static L1 pptp
set link action bundle B1
set link enable chap chap-msv1 chap-md5
set auth authname bsd
set auth password 321321321321
set link max-redial 0
set link mtu 1460
set link keep-alive 20 75
set pptp peer 123.123.123.123
set pptp disable windowing
open
Код: Выделить всё
Multi-link PPP daemon for FreeBSD
process 11543 started, version 5.5 (root@ 15:05 5-Apr-2011)
[B1] Bundle: Interface ng1 created
[L1] [L1] Link: OPEN event
[L1] LCP: Open event
[L1] LCP: state change Initial --> Starting
[L1] LCP: LayerStart
[L1] PPTP call successful
[L1] Link: UP event
[L1] LCP: Up event
[L1] LCP: state change Starting --> Req-Sent
[L1] LCP: SendConfigReq #1
[L1] ACFCOMP
[L1] PROTOCOMP
[L1] ACCMAP 0x000a0000
[L1] MRU 1500
[L1] MAGICNUM 352d115e
[L1] AUTHPROTO CHAP MSOFTv2
[L1] LCP: rec'd Configure Request #1 (Req-Sent)
[L1] AUTHPROTO CHAP MSOFT
[L1] MAGICNUM 13a990be
[L1] LCP: SendConfigNak #1
[L1] AUTHPROTO CHAP MSOFTv2
[L1] LCP: rec'd Configure Reject #1 (Req-Sent)
[L1] ACFCOMP
[L1] PROTOCOMP
[L1] ACCMAP 0x000a0000
[L1] MRU 1500
[L1] AUTHPROTO CHAP MSOFTv2
[L1] LCP: SendConfigReq #2
[L1] MAGICNUM 352d115e
[L1] AUTHPROTO CHAP MSOFTv2
[L1] LCP: rec'd Configure Request #2 (Req-Sent)
[L1] AUTHPROTO CHAP MSOFT
[L1] MAGICNUM 13a990be
[L1] LCP: SendConfigNak #2
[L1] AUTHPROTO CHAP MSOFTv2
[L1] LCP: rec'd Configure Reject #2 (Req-Sent)
[L1] AUTHPROTO CHAP MSOFTv2
[L1] LCP: SendConfigReq #3
[L1] MAGICNUM 352d115e
[L1] AUTHPROTO CHAP MSOFTv2
[L1] LCP: rec'd Configure Request #3 (Req-Sent)
[L1] AUTHPROTO CHAP MSOFT
[L1] MAGICNUM 13a990be
[L1] LCP: SendConfigNak #3
[L1] AUTHPROTO CHAP MSOFTv2
[L1] LCP: rec'd Configure Reject #3 (Req-Sent)
[L1] AUTHPROTO CHAP MSOFTv2
[L1] LCP: SendConfigReq #4
[L1] MAGICNUM 352d115e
[L1] AUTHPROTO CHAP MSOFTv2
[L1] LCP: rec'd Configure Request #4 (Req-Sent)
[L1] AUTHPROTO CHAP MSOFT
[L1] MAGICNUM 13a990be
[L1] LCP: SendConfigNak #4
[L1] AUTHPROTO CHAP MSOFTv2
[L1] LCP: rec'd Configure Reject #4 (Req-Sent)
[L1] AUTHPROTO CHAP MSOFTv2
[L1] LCP: SendConfigReq #5
[L1] MAGICNUM 352d115e
[L1] AUTHPROTO CHAP MSOFTv2
[L1] LCP: rec'd Configure Request #5 (Req-Sent)
[L1] AUTHPROTO CHAP MSOFT
[L1] MAGICNUM 13a990be
[L1] LCP: SendConfigNak #5
[L1] AUTHPROTO CHAP MSOFTv2
[L1] LCP: rec'd Configure Reject #5 (Req-Sent)
[L1] AUTHPROTO CHAP MSOFTv2
[L1] LCP: SendConfigReq #6
[L1] MAGICNUM 352d115e
[L1] AUTHPROTO CHAP MSOFTv2
[L1] LCP: rec'd Configure Request #6 (Req-Sent)
[L1] AUTHPROTO CHAP MSOFT
[L1] MAGICNUM 13a990be
[L1] LCP: not converging
[L1] LCP: parameter negotiation failed
[L1] LCP: state change Req-Sent --> Stopped
[L1] LCP: LayerFinish
[L1] LCP: rec'd Configure Reject #6 (Stopped)
[L1] LCP: SendTerminateAck #7
[L1] error writing len 8 frame to : Network is down
[L1] PPTP call terminated
[L1] Link: DOWN event
[L1] LCP: Down event
[L1] LCP: state change Stopped --> Starting
[L1] LCP: LayerStart
[L1] Link: reconnection attempt 1 in 3 seconds
caught fatal signal int
[B1] IFACE: Close event
[B1] IPCP: Close event
[B1] Bundle: Shutdown
[L1] Link: Shutdown
process 11543 terminated
Код: Выделить всё
19:09:20.110650 IP (tos 0x0, ttl 64, id 38724, offset 0, flags [DF], proto TCP (6), length 60)
172.20.248.190.59278 > 123.123.123.123.pptp: Flags [S], cksum 0xf2e2 (incorrect -> 0x9f24), seq 3887917910, win 65535, options [mss 1460,nop,wscale 3,sackOK,TS val 16380884 ecr 0], length 0
19:09:20.110797 IP (tos 0x0, ttl 254, id 16812, offset 0, flags [none], proto TCP (6), length 44)
123.123.123.123.pptp > 172.20.248.190.59278: Flags [S.], cksum 0x8551 (correct), seq 4098710116, ack 3887917911, win 4096, options [mss 1460], length 0
19:09:20.110829 IP (tos 0x0, ttl 64, id 38725, offset 0, flags [DF], proto TCP (6), length 40)
172.20.248.190.59278 > 123.123.123.123.pptp: Flags [.], cksum 0xf2ce (incorrect -> 0xad0e), seq 1, ack 1, win 65535, length 0
19:09:20.110891 IP (tos 0x0, ttl 64, id 38726, offset 0, flags [DF], proto TCP (6), length 196)
172.20.248.190.59278 > 123.123.123.123.pptp: Flags [P.], seq 1:157, ack 1, win 65535, length 156: pptp Length=156 CTRL-MSG Magic-Cookie=1a2b3c4d CTRL_MSGTYPE=SCCRQ PROTO_VER(1.0) FRAME_CAP(AS) BEARER_CAP(DA) MAX_CHAN(0) FIRM_REV(257) [|pptp]
19:09:20.111169 IP (tos 0x0, ttl 254, id 16813, offset 0, flags [none], proto TCP (6), length 196)
123.123.123.123.pptp > 172.20.248.190.59278: Flags [P.], seq 1:157, ack 157, win 4096, length 156: pptp Length=156 CTRL-MSG Magic-Cookie=1a2b3c4d CTRL_MSGTYPE=SCCRP PROTO_VER(1.0) RESULT_CODE(1:Successful channel establishment) ERR_CODE(0:None) FRAME_CAP(AS) BEARER_CAP(DA) MAX_CHAN(0) FIRM_REV(4608) [|pptp]
19:09:20.111268 IP (tos 0x0, ttl 64, id 38727, offset 0, flags [DF], proto TCP (6), length 208)
172.20.248.190.59278 > 123.123.123.123.pptp: Flags [P.], seq 157:325, ack 157, win 65535, length 168: pptp Length=168 CTRL-MSG Magic-Cookie=1a2b3c4d CTRL_MSGTYPE=OCRQ CALL_ID(37696) CALL_SER_NUM(37696) MIN_BPS(56000) MAX_BPS(64000) BEARER_TYPE(Any) FRAME_TYPE(E) RECV_WIN(16) PROC_DELAY(1) PHONE_NO_LEN(0) [|pptp]
19:09:20.111544 IP (tos 0x0, ttl 254, id 16814, offset 0, flags [none], proto TCP (6), length 72)
123.123.123.123.pptp > 172.20.248.190.59278: Flags [P.], cksum 0x963b (correct), seq 157:189, ack 325, win 4096, length 32: pptp Length=32 CTRL-MSG Magic-Cookie=1a2b3c4d CTRL_MSGTYPE=OCRP CALL_ID(2287) PEER_CALL_ID(37696) RESULT_CODE(1:Connected) ERR_CODE(0:None) CAUSE_CODE(0) CONN_SPEED(16384000) RECV_WIN(4096) PROC_DELAY(0) PHY_CHAN_ID(0)
19:09:20.112838 IP (tos 0x0, ttl 64, id 38739, offset 0, flags [none], proto GRE (47), length 65)
172.20.248.190 > 123.123.123.123: GREv1, Flags [key present, sequence# present], call 2287, seq 0, length 45
LCP, Conf-Request (0x01), id 1, length 31
encoded length 29 (=Option(s) length 25)
0x0000: c021 0101 001d
ACFC Option (0x08), length 2:
PFC Option (0x07), length 2:
ACCM Option (0x02), length 6: 0x000a0000
0x0000: 000a 0000
MRU Option (0x01), length 4: 1500
0x0000: 05dc
Magic-Num Option (0x05), length 6: 0x3d3abff7
0x0000: 3d3a bff7
Auth-Prot Option (0x03), length 5: CHAP, MS-CHAPv2
0x0000: c223 81
19:09:20.113043 IP (tos 0x0, ttl 254, id 16815, offset 0, flags [none], proto GRE (47), length 55)
123.123.123.123 > 172.20.248.190: GREv1, Flags [key present, sequence# present, ack present], call 37696, seq 1, ack 0, length 35
LCP, Conf-Request (0x01), id 1, length 17
encoded length 15 (=Option(s) length 11)
0x0000: c021 0101 000f
Auth-Prot Option (0x03), length 5: CHAP, MS-CHAPv1
0x0000: c223 80
Magic-Num Option (0x05), length 6: 0x3e1f1922
0x0000: 3e1f 1922
19:09:20.113057 IP (tos 0x0, ttl 254, id 16816, offset 0, flags [none], proto GRE (47), length 63)
123.123.123.123 > 172.20.248.190: GREv1, Flags [key present, sequence# present, ack present], call 37696, seq 2, ack 0, length 43
LCP, Conf-Reject (0x04), id 1, length 25
encoded length 23 (=Option(s) length 19)
0x0000: c021 0401 0017
ACFC Option (0x08), length 2:
PFC Option (0x07), length 2:
ACCM Option (0x02), length 6: 0x000a0000
0x0000: 000a 0000
MRU Option (0x01), length 4: 1500
0x0000: 05dc
Auth-Prot Option (0x03), length 5: CHAP, MS-CHAPv2
0x0000: c223 81
19:09:20.113589 IP (tos 0x0, ttl 64, id 38744, offset 0, flags [none], proto GRE (47), length 49)
172.20.248.190 > 123.123.123.123: GREv1, Flags [key present, sequence# present, ack present], call 2287, seq 1, ack 2, length 29
LCP, Conf-Nack (0x03), id 1, length 11
encoded length 9 (=Option(s) length 5)
0x0000: c021 0301 0009
Auth-Prot Option (0x03), length 5: CHAP, MS-CHAPv2
0x0000: c223 81
19:09:20.113797 IP (tos 0x0, ttl 254, id 16817, offset 0, flags [none], proto GRE (47), length 55)
123.123.123.123 > 172.20.248.190: GREv1, Flags [key present, sequence# present, ack present], call 37696, seq 3, ack 1, length 35
LCP, Conf-Request (0x01), id 2, length 17
encoded length 15 (=Option(s) length 11)
0x0000: c021 0102 000f
Auth-Prot Option (0x03), length 5: CHAP, MS-CHAPv1
0x0000: c223 80
Magic-Num Option (0x05), length 6: 0x3e1f1922
0x0000: 3e1f 1922
19:09:20.114399 IP (tos 0x0, ttl 64, id 38755, offset 0, flags [none], proto GRE (47), length 55)
172.20.248.190 > 123.123.123.123: GREv1, Flags [key present, sequence# present, ack present], call 2287, seq 2, ack 3, length 35
LCP, Conf-Request (0x01), id 2, length 17
encoded length 15 (=Option(s) length 11)
0x0000: c021 0102 000f
Magic-Num Option (0x05), length 6: 0x3d3abff7
0x0000: 3d3a bff7
Auth-Prot Option (0x03), length 5: CHAP, MS-CHAPv2
0x0000: c223 81
19:09:20.114545 IP (tos 0x0, ttl 254, id 16818, offset 0, flags [none], proto GRE (47), length 49)
123.123.123.123 > 172.20.248.190: GREv1, Flags [key present, sequence# present, ack present], call 37696, seq 4, ack 2, length 29
LCP, Conf-Reject (0x04), id 2, length 11
encoded length 9 (=Option(s) length 5)
0x0000: c021 0402 0009
Auth-Prot Option (0x03), length 5: CHAP, MS-CHAPv2
0x0000: c223 81
19:09:20.114879 IP (tos 0x0, ttl 64, id 38760, offset 0, flags [none], proto GRE (47), length 49)
172.20.248.190 > 123.123.123.123: GREv1, Flags [key present, sequence# present, ack present], call 2287, seq 3, ack 4, length 29
LCP, Conf-Nack (0x03), id 2, length 11
encoded length 9 (=Option(s) length 5)
0x0000: c021 0302 0009
Auth-Prot Option (0x03), length 5: CHAP, MS-CHAPv2
0x0000: c223 81
19:09:20.115045 IP (tos 0x0, ttl 254, id 16819, offset 0, flags [none], proto GRE (47), length 55)
123.123.123.123 > 172.20.248.190: GREv1, Flags [key present, sequence# present, ack present], call 37696, seq 5, ack 3, length 35
LCP, Conf-Request (0x01), id 3, length 17
encoded length 15 (=Option(s) length 11)
0x0000: c021 0103 000f
Auth-Prot Option (0x03), length 5: CHAP, MS-CHAPv1
0x0000: c223 80
Magic-Num Option (0x05), length 6: 0x3e1f1922
0x0000: 3e1f 1922
19:09:20.115392 IP (tos 0x0, ttl 64, id 38767, offset 0, flags [none], proto GRE (47), length 55)
172.20.248.190 > 123.123.123.123: GREv1, Flags [key present, sequence# present, ack present], call 2287, seq 4, ack 5, length 35
LCP, Conf-Request (0x01), id 3, length 17
encoded length 15 (=Option(s) length 11)
0x0000: c021 0103 000f
Magic-Num Option (0x05), length 6: 0x3d3abff7
0x0000: 3d3a bff7
Auth-Prot Option (0x03), length 5: CHAP, MS-CHAPv2
0x0000: c223 81
19:09:20.115560 IP (tos 0x0, ttl 254, id 16820, offset 0, flags [none], proto GRE (47), length 49)
123.123.123.123 > 172.20.248.190: GREv1, Flags [key present, sequence# present, ack present], call 37696, seq 6, ack 4, length 29
LCP, Conf-Reject (0x04), id 3, length 11
encoded length 9 (=Option(s) length 5)
0x0000: c021 0403 0009
Auth-Prot Option (0x03), length 5: CHAP, MS-CHAPv2
0x0000: c223 81
19:09:20.115873 IP (tos 0x0, ttl 64, id 38773, offset 0, flags [none], proto GRE (47), length 49)
172.20.248.190 > 123.123.123.123: GREv1, Flags [key present, sequence# present, ack present], call 2287, seq 5, ack 6, length 29
LCP, Conf-Nack (0x03), id 3, length 11
encoded length 9 (=Option(s) length 5)
0x0000: c021 0303 0009
Auth-Prot Option (0x03), length 5: CHAP, MS-CHAPv2
0x0000: c223 81
19:09:20.116065 IP (tos 0x0, ttl 254, id 16821, offset 0, flags [none], proto GRE (47), length 55)
123.123.123.123 > 172.20.248.190: GREv1, Flags [key present, sequence# present, ack present], call 37696, seq 7, ack 5, length 35
LCP, Conf-Request (0x01), id 4, length 17
encoded length 15 (=Option(s) length 11)
0x0000: c021 0104 000f
Auth-Prot Option (0x03), length 5: CHAP, MS-CHAPv1
0x0000: c223 80
Magic-Num Option (0x05), length 6: 0x3e1f1922
0x0000: 3e1f 1922
19:09:20.116348 IP (tos 0x0, ttl 64, id 38779, offset 0, flags [none], proto GRE (47), length 55)
172.20.248.190 > 123.123.123.123: GREv1, Flags [key present, sequence# present, ack present], call 2287, seq 6, ack 7, length 35
LCP, Conf-Request (0x01), id 4, length 17
encoded length 15 (=Option(s) length 11)
0x0000: c021 0104 000f
Magic-Num Option (0x05), length 6: 0x3d3abff7
0x0000: 3d3a bff7
Auth-Prot Option (0x03), length 5: CHAP, MS-CHAPv2
0x0000: c223 81
19:09:20.116545 IP (tos 0x0, ttl 254, id 16822, offset 0, flags [none], proto GRE (47), length 49)
123.123.123.123 > 172.20.248.190: GREv1, Flags [key present, sequence# present, ack present], call 37696, seq 8, ack 6, length 29
LCP, Conf-Reject (0x04), id 4, length 11
encoded length 9 (=Option(s) length 5)
0x0000: c021 0404 0009
Auth-Prot Option (0x03), length 5: CHAP, MS-CHAPv2
0x0000: c223 81
19:09:20.116825 IP (tos 0x0, ttl 64, id 38784, offset 0, flags [none], proto GRE (47), length 49)
172.20.248.190 > 123.123.123.123: GREv1, Flags [key present, sequence# present, ack present], call 2287, seq 7, ack 8, length 29
LCP, Conf-Nack (0x03), id 4, length 11
encoded length 9 (=Option(s) length 5)
0x0000: c021 0304 0009
Auth-Prot Option (0x03), length 5: CHAP, MS-CHAPv2
0x0000: c223 81
19:09:20.117045 IP (tos 0x0, ttl 254, id 16823, offset 0, flags [none], proto GRE (47), length 55)
123.123.123.123 > 172.20.248.190: GREv1, Flags [key present, sequence# present, ack present], call 37696, seq 9, ack 7, length 35
LCP, Conf-Request (0x01), id 5, length 17
encoded length 15 (=Option(s) length 11)
0x0000: c021 0105 000f
Auth-Prot Option (0x03), length 5: CHAP, MS-CHAPv1
0x0000: c223 80
Magic-Num Option (0x05), length 6: 0x3e1f1922
0x0000: 3e1f 1922
19:09:20.117294 IP (tos 0x0, ttl 64, id 38790, offset 0, flags [none], proto GRE (47), length 55)
172.20.248.190 > 123.123.123.123: GREv1, Flags [key present, sequence# present, ack present], call 2287, seq 8, ack 9, length 35
LCP, Conf-Request (0x01), id 5, length 17
encoded length 15 (=Option(s) length 11)
0x0000: c021 0105 000f
Magic-Num Option (0x05), length 6: 0x3d3abff7
0x0000: 3d3a bff7
Auth-Prot Option (0x03), length 5: CHAP, MS-CHAPv2
0x0000: c223 81
19:09:20.117419 IP (tos 0x0, ttl 254, id 16824, offset 0, flags [none], proto GRE (47), length 49)
123.123.123.123 > 172.20.248.190: GREv1, Flags [key present, sequence# present, ack present], call 37696, seq 10, ack 8, length 29
LCP, Conf-Reject (0x04), id 5, length 11
encoded length 9 (=Option(s) length 5)
0x0000: c021 0405 0009
Auth-Prot Option (0x03), length 5: CHAP, MS-CHAPv2
0x0000: c223 81
19:09:20.117714 IP (tos 0x0, ttl 64, id 38796, offset 0, flags [none], proto GRE (47), length 49)
172.20.248.190 > 123.123.123.123: GREv1, Flags [key present, sequence# present, ack present], call 2287, seq 9, ack 10, length 29
LCP, Conf-Nack (0x03), id 5, length 11
encoded length 9 (=Option(s) length 5)
0x0000: c021 0305 0009
Auth-Prot Option (0x03), length 5: CHAP, MS-CHAPv2
0x0000: c223 81
19:09:20.117916 IP (tos 0x0, ttl 254, id 16825, offset 0, flags [none], proto GRE (47), length 55)
123.123.123.123 > 172.20.248.190: GREv1, Flags [key present, sequence# present, ack present], call 37696, seq 11, ack 9, length 35
LCP, Conf-Request (0x01), id 6, length 17
encoded length 15 (=Option(s) length 11)
0x0000: c021 0106 000f
Auth-Prot Option (0x03), length 5: CHAP, MS-CHAPv1
0x0000: c223 80
Magic-Num Option (0x05), length 6: 0x3e1f1922
0x0000: 3e1f 1922
19:09:20.118221 IP (tos 0x0, ttl 64, id 38803, offset 0, flags [none], proto GRE (47), length 55)
172.20.248.190 > 123.123.123.123: GREv1, Flags [key present, sequence# present, ack present], call 2287, seq 10, ack 11, length 35
LCP, Conf-Request (0x01), id 6, length 17
encoded length 15 (=Option(s) length 11)
0x0000: c021 0106 000f
Magic-Num Option (0x05), length 6: 0x3d3abff7
0x0000: 3d3a bff7
Auth-Prot Option (0x03), length 5: CHAP, MS-CHAPv2
0x0000: c223 81
19:09:20.118418 IP (tos 0x0, ttl 254, id 16826, offset 0, flags [none], proto GRE (47), length 49)
123.123.123.123 > 172.20.248.190: GREv1, Flags [key present, sequence# present, ack present], call 37696, seq 12, ack 10, length 29
LCP, Conf-Reject (0x04), id 6, length 11
encoded length 9 (=Option(s) length 5)
0x0000: c021 0406 0009
Auth-Prot Option (0x03), length 5: CHAP, MS-CHAPv2
0x0000: c223 81
19:09:20.119387 IP (tos 0x0, ttl 64, id 38814, offset 0, flags [DF], proto TCP (6), length 56)
172.20.248.190.59278 > 123.123.123.123.pptp: Flags [P.], cksum 0xf2de (incorrect -> 0xc120), seq 325:341, ack 189, win 65535, length 16: pptp Length=16 CTRL-MSG Magic-Cookie=1a2b3c4d CTRL_MSGTYPE=CCRQ CALL_ID(37696)
19:09:20.119539 IP (tos 0x0, ttl 254, id 16827, offset 0, flags [none], proto TCP (6), length 188)
123.123.123.123.pptp > 172.20.248.190.59278: Flags [P.], seq 189:337, ack 341, win 4096, length 148: pptp Length=148 CTRL-MSG Magic-Cookie=1a2b3c4d CTRL_MSGTYPE=CDN CALL_ID(2287) RESULT_CODE(1:Lost Carrier) ERR_CODE(0:None) CAUSE_CODE(0) [|pptp]
19:09:20.219240 IP (tos 0x0, ttl 64, id 38821, offset 0, flags [DF], proto TCP (6), length 40)
172.20.248.190.59278 > 123.123.123.123.pptp: Flags [.], cksum 0xf2ce (incorrect -> 0xaa6a), seq 341, ack 337, win 65535, length 0
19:09:20.219357 IP (tos 0x0, ttl 254, id 16829, offset 0, flags [none], proto TCP (6), length 56)
123.123.123.123.pptp > 172.20.248.190.59278: Flags [P.], cksum 0x43c6 (correct), seq 337:353, ack 341, win 4096, length 16: pptp Length=16 CTRL-MSG Magic-Cookie=1a2b3c4d CTRL_MSGTYPE=StopCCRQ REASON(0:?)
19:09:20.219436 IP (tos 0x0, ttl 64, id 38822, offset 0, flags [DF], proto TCP (6), length 56)
172.20.248.190.59278 > 123.123.123.123.pptp: Flags [P.], cksum 0xf2de (incorrect -> 0x52b5), seq 341:357, ack 353, win 65535, length 16: pptp Length=16 CTRL-MSG Magic-Cookie=1a2b3c4d CTRL_MSGTYPE=StopCCRP RESULT_CODE(1:OK) ERR_CODE(0:None)
19:09:20.219450 IP (tos 0x0, ttl 64, id 38823, offset 0, flags [DF], proto TCP (6), length 40)
172.20.248.190.59278 > 123.123.123.123.pptp: Flags [F.], cksum 0xf2ce (incorrect -> 0xaa49), seq 357, ack 353, win 65535, length 0
19:09:20.219608 IP (tos 0x0, ttl 254, id 16830, offset 0, flags [none], proto TCP (6), length 40)
123.123.123.123.pptp > 172.20.248.190.59278: Flags [F.], cksum 0x9a49 (correct), seq 353, ack 357, win 4096, length 0
19:09:20.219622 IP (tos 0x0, ttl 64, id 38824, offset 0, flags [DF], proto TCP (6), length 40)
172.20.248.190.59278 > 123.123.123.123.pptp: Flags [F.], cksum 0xf2ce (incorrect -> 0xaa48), seq 357, ack 354, win 65535, length 0
19:09:20.219628 IP (tos 0x0, ttl 254, id 16831, offset 0, flags [none], proto TCP (6), length 40)
123.123.123.123.pptp > 172.20.248.190.59278: Flags [.], cksum 0x9a48 (correct), seq 354, ack 358, win 4096, length 0
19:09:20.219732 IP (tos 0x0, ttl 254, id 16832, offset 0, flags [none], proto TCP (6), length 40)
123.123.123.123.pptp > 172.20.248.190.59278: Flags [.], cksum 0x9a48 (correct), seq 354, ack 358, win 4096, length 0
что я делаю не так?!