kihei/i-0bd285e932f3bd091
by SadServersMore by SadServers
example: knock myserver.example.com 123:tcp 456:udp 789:tcp admin@i-080ac908debd2d3d7:~$ knock -v 127.0.0.1 80:tcp 1 hitting tcp 127.0.0.1:80 hitting tcp 127.0.0.1:1 admin@i-080ac908debd2d3d7:~$ knock -v 127.0.0.1 80:tcp hitting tcp 127.0.0.1:80 admin@i-080ac908debd2d3d7:~$ curl -D - -v localhost * Trying 127.0.0.1:80... * connect to 127.0.0.1 port 80 failed: Connection refused * Failed to connect to localhost port 80: Connection refused * Closing connection 0 curl: (7) Failed to connect to localhost port 80: Connection refused admin@i-080ac908debd2d3d7:~$ nc -vv 12
taipei/i-080ac908debd2d3d7 08:29
by SadServers*flag.int64Value,flag.Valuego.itab.*flag.stringValue,flag.Valuego.itab.*flag.uin*flag.uint64Value,flag.Valuego.itab.*strings.Builder,io.Writergo.itab.*errors.ermt.wrapError,errorgo.itab.*fmt.pp,fmt.Statego.itab.*os.File,io.Readergo.itab.systab.*io/fs.PathError,errorgo.itab.*os.SyscallError,errorgo.itab.syscall.Errno,erio.Writergo.itab.*os.fileStat,io/fs.FileInfogo.itab.*io.LimitedReader,io.Readerggo.itab.*os/exec.ExitError,errorgo.itab.*os/exec.Error,errorgo.itab.*bufio.Reader.UnknownUserIdError,errorgo.itab.*internal/reflectlite.rtype,internal/reflectliizeError,errorgo.itab.*internal/fmtsort.SortedMap,sort.Interfacego.itab.runtime.t_cgo_thread_start_cgo_notify_runtime_init_done_cgo_callers_cgo_yield_cgo_mmap_cntime.mainPCgo.itab.*internal/poll.DeadlineExceededError,errorgo.itab.internal/pntime.defaultGOROOT.strruntime.buildVersion.strruntime.modinfo.strtype.*runtime.7db86749869597:~$ ^C admin@i-0687db86749869597:~$ ./home/admin/kihei bash: ./home/admin/kihei: No such file or directory admin@i-0687db86749869597:~$
kihei/i-0687db86749869597 00:42
by SadServers<title>Error response</title> </head> <body> <h1>Error response</h1> <p>Error code: 400</p> <p>Message: Bad request version ('1.1').</p> <p>Error code explanation: HTTPStatus.BAD_REQUEST - Bad request syntax o </body> </html> Connection closed by foreign host. admin@i-0c02c2509333a676e:~$ telnet localhost 5000 Trying 127.0.0.1... Connected to localhost. Escape character is '^]'.