diff options
Diffstat (limited to 'crypto/heimdal/appl/telnet/telnetd/telnetd.cat8')
| -rw-r--r-- | crypto/heimdal/appl/telnet/telnetd/telnetd.cat8 | 80 |
1 files changed, 38 insertions, 42 deletions
diff --git a/crypto/heimdal/appl/telnet/telnetd/telnetd.cat8 b/crypto/heimdal/appl/telnet/telnetd/telnetd.cat8 index 988bf31..b2056b2 100644 --- a/crypto/heimdal/appl/telnet/telnetd/telnetd.cat8 +++ b/crypto/heimdal/appl/telnet/telnetd/telnetd.cat8 @@ -1,21 +1,20 @@ - -TELNETD(8) UNIX System Manager's Manual TELNETD(8) +TELNETD(8) FreeBSD System Manager's Manual TELNETD(8) NNAAMMEE tteellnneettdd - DARPA TELNET protocol server SSYYNNOOPPSSIISS tteellnneettdd [--BBUUhhkkllnn] [--DD _d_e_b_u_g_m_o_d_e] [--SS _t_o_s] [--XX _a_u_t_h_t_y_p_e] [--aa _a_u_t_h_m_o_d_e] - [--rr_l_o_w_p_t_y_-_h_i_g_h_p_t_y] [--uu _l_e_n] [--ddeebbuugg] [--LL _/_b_i_n_/_l_o_g_i_n] [_p_o_r_t] + [--rr_l_o_w_p_t_y_-_h_i_g_h_p_t_y] [--uu _l_e_n] [--ddeebbuugg] [--LL _/_b_i_n_/_l_o_g_i_n] [--yy] [_p_o_r_t] DDEESSCCRRIIPPTTIIOONN The tteellnneettdd command is a server which supports the DARPA standard TELNET virtual terminal protocol. TTeellnneettdd is normally invoked by the internet - server (see inetd(8)) for requests to connect to the TELNET port as in- - dicated by the _/_e_t_c_/_s_e_r_v_i_c_e_s file (see services(5)). The --ddeebbuugg option - may be used to start up tteellnneettdd manually, instead of through inetd(8). - If started up this way, _p_o_r_t may be specified to run tteellnneettdd on an alter- - nate TCP port number. + server (see inetd(8)) for requests to connect to the TELNET port as indi- + cated by the _/_e_t_c_/_s_e_r_v_i_c_e_s file (see services(5)). The --ddeebbuugg option may + be used to start up tteellnneettdd manually, instead of through inetd(8). If + started up this way, _p_o_r_t may be specified to run tteellnneettdd on an alternate + TCP port number. The tteellnneettdd command accepts the following options: @@ -35,8 +34,8 @@ DDEESSCCRRIIPPTTIIOONN valid Only allow connections when the remote user can pro- vide valid authentication information to identify the remote user. The login(1) command will provide any - additional user verification needed if the remote us- - er is not allowed automatic access to the specified + additional user verification needed if the remote + user is not allowed automatic access to the specified account. other Only allow connections that supply some authentica- @@ -94,7 +93,7 @@ DDEESSCCRRIIPPTTIIOONN --rr _l_o_w_p_t_y_-_h_i_g_h_p_t_y This option is only enabled when tteellnneettdd is compiled for - UNICOS. It specifies an inclusive range of pseudo-terminal + UNICOS. It specifies an inclusive range of pseudo-terminal devices to use. If the system has sysconf variable _SC_CRAY_NPTY configured, the default pty search range is 0 to _SC_CRAY_NPTY; otherwise, the default range is 0 to 128. @@ -106,30 +105,32 @@ DDEESSCCRRIIPPTTIIOONN --SS _t_o_s --uu _l_e_n This option is used to specify the size of the field in the - utmp structure that holds the remote host name. If the re- - solved host name is longer than _l_e_n, the dotted decimal val- - ue will be used instead. This allows hosts with very long - host names that overflow this field to still be uniquely - identified. Specifying --uu00 indicates that only dotted deci- - mal addresses should be put into the _u_t_m_p file. + utmp structure that holds the remote host name. If the + resolved host name is longer than _l_e_n, the dotted decimal + value will be used instead. This allows hosts with very + long host names that overflow this field to still be + uniquely identified. Specifying --uu00 indicates that only + dotted decimal addresses should be put into the _u_t_m_p file. - --UU This option causes tteellnneettdd to refuse connections from ad- - dresses that cannot be mapped back into a symbolic name via - the gethostbyaddr(3) routine. + --UU This option causes tteellnneettdd to refuse connections from + addresses that cannot be mapped back into a symbolic name + via the gethostbyaddr(3) routine. --XX _a_u_t_h_t_y_p_e This option is only valid if tteellnneettdd has been built with support for the authentication option. It disables the use of _a_u_t_h_t_y_p_e authentication, and can be used to temporarily - disable a specific authentication type without having to re- - compile tteellnneettdd. + disable a specific authentication type without having to + recompile tteellnneettdd. + + --LL _p_a_t_h_n_a_m_e Specify pathname to an alternative login program. - --LL --ppaatthhnnaammee - Specify pathname to an alternative login program. + --yy Makes tteellnneettdd not warn when a user is trying to login with a + cleartext password. - TTeellnneettdd operates by allocating a pseudo-terminal device (see pty(4)) for + TTeellnneettdd operates by allocating a pseudo-terminal device (see pty(4)) for a client, then creating a login process which has the slave side of the - pseudo-terminal as stdin, stdout and stderr. TTeellnneettdd manipulates the mas- - ter side of the pseudo-terminal, implementing the TELNET protocol and + pseudo-terminal as stdin, stdout and stderr. TTeellnneettdd manipulates the + master side of the pseudo-terminal, implementing the TELNET protocol and passing characters between the remote client and the login process. When a TELNET session is started up, tteellnneettdd sends TELNET options to the @@ -174,8 +175,8 @@ DDEESSCCRRIIPPTTIIOONN WILL SGA Indicates that it will not be sending IAC GA, go ahead, commands. - WILL STATUS Indicates a willingness to send the client, upon re- - quest, of the current status of all TELNET options. + WILL STATUS Indicates a willingness to send the client, upon + request, of the current status of all TELNET options. WILL TIMING-MARK Whenever a DO TIMING-MARK command is received, it is always responded to with a WILL TIMING-MARK @@ -193,13 +194,11 @@ DDEESSCCRRIIPPTTIIOONN 8 bit data stream. DO LFLOW Requests that the client handle flow control charac- - - ters remotely. DO ECHO This is not really supported, but is sent to identify - a 4.2BSD telnet(1) client, which will improperly re- - spond with WILL ECHO. If a WILL ECHO is received, a + a 4.2BSD telnet(1) client, which will improperly + respond with WILL ECHO. If a WILL ECHO is received, a DONT ECHO will be sent in response. DO TERMINAL-TYPE Indicates a desire to be able to request the name of @@ -232,35 +231,32 @@ DDEESSCCRRIIPPTTIIOONN DO TIMING-MARK Only sent if tteellnneettdd is compiled with support for both linemode and kludge linemode, and the client responded - with WONT LINEMODE. If the client responds with WILL + with WONT LINEMODE. If the client responds with WILL TM, the it is assumed that the client supports kludge linemode. Note that the [--kk] option can be used to disable this. - DO AUTHENTICATION Only sent if tteellnneettdd is compiled with support for au- - thentication, and indicates a willingness to receive + DO AUTHENTICATION Only sent if tteellnneettdd is compiled with support for + authentication, and indicates a willingness to receive authentication information for automatic login. DO ENCRYPT Only sent if tteellnneettdd is compiled with support for data encryption, and indicates a willingness to decrypt the data stream. -EENNVVIIRROONNMMEENNTT FFIILLEESS /etc/services /etc/inittab (UNICOS systems only) /etc/iptos (if supported) SSEEEE AALLSSOO - telnet(1), login(1) + telnet(1), login(1) SSTTAANNDDAARRDDSS RRFFCC--885544 TELNET PROTOCOL SPECIFICATION RRFFCC--885555 TELNET OPTION SPECIFICATIONS RRFFCC--885566 TELNET BINARY TRANSMISSION RRFFCC--885577 TELNET ECHO OPTION - - RRFFCC--885588 TELNET SUPPRESS GO AHEAD OPTION RRFFCC--885599 TELNET STATUS OPTION RRFFCC--886600 TELNET TIMING MARK OPTION @@ -282,7 +278,7 @@ SSTTAANNDDAARRDDSS BBUUGGSS Some TELNET commands are only partially implemented. - Because of bugs in the original 4.2 BSD telnet(1), tteellnneettdd performs some + Because of bugs in the original 4.2 BSD telnet(1), tteellnneettdd performs some dubious protocol exchanges to try to discover if the remote client is, in fact, a 4.2 BSD telnet(1). @@ -294,4 +290,4 @@ BBUUGGSS TTeellnneettdd never sends TELNET IAC GA (go ahead) commands. -4.2 Berkeley Distribution June 1, 1994 5 +4.2 Berkeley Distribution June 1, 1994 4.2 Berkeley Distribution |
