recscreen123
(usa Linux Mint)
Enviado em 16/01/2019 - 22:36h
primeiro eu coloquei o 0.0.0.0/0 que você disse, e o tcpdump retornou isso
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on ens4, link-type EN10MB (Ethernet), capture size 262144 bytes
00:29:56.945302 IP MEUIP.48653 > 10.158.0.9.1723: Flags [S], seq 2493162233, win 64240, options [mss 1452,nop,wscale 8,nop,nop,sackOK], length 0
00:29:56.945382 IP 10.158.0.9.1723 > MEUIP.48653: Flags [R.], seq 0, ack 2493162234, win 0, length 0
00:29:57.509977 IP MEUIP.48657 > 10.158.0.9.1723: Flags [S], seq 2493162233, win 64240, options [mss 1452,nop,wscale 8,nop,nop,sackOK], length 0
00:29:57.510054 IP 10.158.0.9.1723 > MEUIP.48657: Flags [R.], seq 0, ack 2493162234, win 0, length 0
00:29:58.073026 IP MEUIP.48660 > 10.158.0.9.1723: Flags [S], seq 2493162233, win 64240, options [mss 1452,nop,wscale 8,nop,nop,sackOK], length 0
00:29:58.073096 IP 10.158.0.9.1723 > MEUIP.48660: Flags [R.], seq 0, ack 2493162234, win 0, length 0
depois eu coloquei
localip 10.158.0.9-10
remoteip 10.158.0.10-20
e o tcpdump me retornou isso
listening on ens4, link-type EN10MB (Ethernet), capture size 262144 bytes
00:34:00.793105 IP MEUIP.49001 > 10.158.0.9.1723: Flags [S], seq 3149788448, win 64240, options [mss 1452,nop,wscale 8,nop,nop,sackOK], length 0
00:34:00.793181 IP 10.158.0.9.1723 > MEUIP.49001: Flags [S.], seq 3591577028, ack 3149788449, win 28400, options [mss 1420,nop,nop,sackOK,nop,wscale 7], length 0
00:34:00.892783 IP MEUIP.49001 > 10.158.0.9.1723: Flags [.], ack 1, win 515, length 0
00:34:00.892846 IP MEUIP.49001 > 10.158.0.9.1723: Flags [P.], seq 1:157, ack 1, win 515, length 156: pptp CTRL_MSGTYPE=SCCRQ PROTO_VER(1.0) FRAME_CAP(A) BEARER_CAP(A) MAX_CHAN(0) FIRM_REV(0) HOSTNAME() VENDOR(Microsoft)
00:34:00.892867 IP 10.158.0.9.1723 > MEUIP.49001: Flags [.], ack 157, win 231, length 0
00:34:00.894211 IP 10.158.0.9.1723 > MEUIP.49001: Flags [P.], seq 1:157, ack 157, win 231, length 156: pptp CTRL_MSGTYPE=SCCRP PROTO_VER(1.0) RESULT_CODE(1) ERR_CODE(0) FRAME_CAP() BEARER_CAP() MAX_CHAN(1) FIRM_REV(1) HOSTNAME(local) VENDOR(linux)
00:34:00.967220 IP MEUIP.49001 > 10.158.0.9.1723: Flags [P.], seq 157:325, ack 157, win 515, length 168: pptp CTRL_MSGTYPE=OCRQ CALL_ID(49001) CALL_SER_NUM(51) MIN_BPS(300) MAX_BPS(100000000) BEARER_TYPE(Any) FRAME_TYPE(E) RECV_WIN(64) PROC_DELAY(0) PHONE_NO_LEN(0) PHONE_NO() SUB_ADDR()
00:34:00.968413 IP 10.158.0.9.1723 > MEUIP.49001: Flags [P.], seq 157:189, ack 325, win 239, length 32: pptp CTRL_MSGTYPE=OCRP CALL_ID(0) PEER_CALL_ID(49001) RESULT_CODE(1) ERR_CODE(0) CAUSE_CODE(0) CONN_SPEED(100000000) RECV_WIN(64) PROC_DELAY(0) PHY_CHAN_ID(0)
00:34:00.976390 IP 10.158.0.9.1723 > MEUIP.49001: Flags [F.], seq 189, ack 325, win 239, length 0
00:34:01.049644 IP MEUIP.49001 > 10.158.0.9.1723: Flags [.], ack 190, win 515, length 0
00:34:01.051061 IP MEUIP.49001 > 10.158.0.9.1723: Flags [F.], seq 325, ack 190, win 515, length 0
00:34:01.051097 IP 10.158.0.9.1723 > MEUIP.49001: Flags [.], ack 326, win 239, length 0
E ESSE ERRO
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