eCagoEnElCoronavirusYEnLaCorona

2 files changed, 269 insertions, 0 deletions

diff --git a/st/n.lyx b/st/n.lyx
index 7f0907f..91457b7 100644
--- a/st/n.lyx
+++ b/st/n.lyx
@@ -208,5 +208,33 @@ filename "n4.lyx"
 
 \end_layout
 
+\begin_layout Chapter
+DHCP
+\end_layout
+
+\begin_layout Standard
+\begin_inset CommandInset include
+LatexCommand input
+filename "n5.lyx"
+
+\end_inset
+
+
+\end_layout
+
+\begin_layout Chapter
+FTP
+\end_layout
+
+\begin_layout Standard
+\begin_inset CommandInset include
+LatexCommand input
+filename "n6.lyx"
+
+\end_inset
+
+
+\end_layout
+
 \end_body
 \end_document
diff --git a/st/n6.lyx b/st/n6.lyx
new file mode 100644
index 0000000..702261f
--- /dev/null
+++ b/st/n6.lyx
@@ -0,0 +1,241 @@
+#LyX 2.3 created this file. For more info see http://www.lyx.org/
+\lyxformat 544
+\begin_document
+\begin_header
+\save_transient_properties true
+\origin unavailable
+\textclass book
+\use_default_options true
+\maintain_unincluded_children false
+\language spanish
+\language_package default
+\inputencoding auto
+\fontencoding global
+\font_roman "default" "default"
+\font_sans "default" "default"
+\font_typewriter "default" "default"
+\font_math "auto" "auto"
+\font_default_family default
+\use_non_tex_fonts false
+\font_sc false
+\font_osf false
+\font_sf_scale 100 100
+\font_tt_scale 100 100
+\use_microtype false
+\use_dash_ligatures true
+\graphics default
+\default_output_format default
+\output_sync 0
+\bibtex_command default
+\index_command default
+\paperfontsize default
+\spacing single
+\use_hyperref false
+\papersize default
+\use_geometry false
+\use_package amsmath 1
+\use_package amssymb 1
+\use_package cancel 1
+\use_package esint 1
+\use_package mathdots 1
+\use_package mathtools 1
+\use_package mhchem 1
+\use_package stackrel 1
+\use_package stmaryrd 1
+\use_package undertilde 1
+\cite_engine basic
+\cite_engine_type default
+\biblio_style plain
+\use_bibtopic false
+\use_indices false
+\paperorientation portrait
+\suppress_date false
+\justification true
+\use_refstyle 1
+\use_minted 0
+\index Index
+\shortcut idx
+\color #008000
+\end_index
+\secnumdepth 3
+\tocdepth 3
+\paragraph_separation indent
+\paragraph_indentation default
+\is_math_indent 0
+\math_numbering_side default
+\quotes_style french
+\dynamic_quotes 0
+\papercolumns 1
+\papersides 1
+\paperpagestyle default
+\tracking_changes false
+\output_changes false
+\html_math_output 0
+\html_css_as_file 0
+\html_be_strict false
+\end_header
+
+\begin_body
+
+\begin_layout Standard
+El protocolo 
+\series bold
+FTP
+\series default
+ (
+\emph on
+File Transfer Protocol
+\emph default
+, RFC 959) permite enviar y recibir ficheros de un 
+\emph on
+host
+\emph default
+ remoto.
+ El cliente contacta con el puerto TCP 21 del servidor para iniciar una
+ 
+\series bold
+conexión de control
+\series default
+, por la que envía comandos ASCII y recibe códigos de estado, también en
+ ASCII y con una frase, y metadatos.
+ Esta conexión es 
+\emph on
+out of band
+\emph default
+, separada del canal de datos.
+\end_layout
+
+\begin_layout Standard
+La conexión de datos se crea para transferir un fichero y es cerrada por
+ el cliente o el servidor al terminar la transferencia.
+ Modos:
+\end_layout
+
+\begin_layout Enumerate
+
+\series bold
+Modo activo
+\series default
+: El cliente envía un comando 
+\family typewriter
+PORT
+\family default
+ con un número de puerto y, para el envío de datos, el servidor crea una
+ conexión TCP con el cliente con puerto origen 20 y el puerto destino indicado.
+\end_layout
+
+\begin_layout Enumerate
+
+\series bold
+Modo pasivo
+\series default
+: El cliente envía un comando 
+\family typewriter
+PASV
+\family default
+ y el servidor le devuelve un número de puerto libre, al que el cliente
+ se conecta para el envío de datos.
+\end_layout
+
+\begin_layout Standard
+Otros comandos:
+\end_layout
+
+\begin_layout Description
+
+\family typewriter
+USER
+\begin_inset space ~
+\end_inset
+
+
+\emph on
+username
+\family default
+\emph default
+ Indica el nombre de usuario.
+\end_layout
+
+\begin_layout Description
+
+\family typewriter
+PASS
+\begin_inset space ~
+\end_inset
+
+
+\emph on
+password
+\family default
+\emph default
+ Completa el inicio de sesión.
+\end_layout
+
+\begin_layout Description
+
+\family typewriter
+LIST
+\family default
+ Lista los ficheros en el directorio actual.
+\end_layout
+
+\begin_layout Description
+
+\family typewriter
+RETR
+\begin_inset space ~
+\end_inset
+
+
+\emph on
+filename
+\family default
+\emph default
+ Descarga un fichero.
+\end_layout
+
+\begin_layout Description
+
+\family typewriter
+STOR
+\begin_inset space ~
+\end_inset
+
+
+\emph on
+filename
+\family default
+\emph default
+ Sube un fichero.
+\end_layout
+
+\begin_layout Standard
+Algunos códigos de estado:
+\end_layout
+
+\begin_layout Description
+
+\family typewriter
+125 data connection already open; transfer starting
+\end_layout
+
+\begin_layout Description
+
+\family typewriter
+331 Username OK, password required
+\end_layout
+
+\begin_layout Description
+
+\family typewriter
+425 Can't open data connection
+\end_layout
+
+\begin_layout Description
+
+\family typewriter
+452 Error writing file
+\end_layout
+
+\end_body
+\end_document