Los tcp wrappers
Hola,
al ejecutar el comando tcpdchk me sale:
Estruch:/home/josep# tcpdchk
warning: /etc/inetd.conf, line 61: incomplete line
warning: /etc/hosts.allow, line 14: leafnode: no such process name in /etc/inetd.conf
warning: /etc/hosts.allow, line 14: localhost: hostname alias
warning: /etc/hosts.allow, line 14: (official name: Estruch)
Estruch:/home/josep#
Les adjunto del /etc/: inetd.conf, hosts.allow y hosts.deny.
Saludos,
Josep Parera
# /etc/inetd.conf: see inetd(8) for further informations.
#
# Internet server configuration database
#
#
# Lines starting with "#:LABEL:" or "#<off>#" should not
# be changed unless you know what you are doing!
#
# If you want to disable an entry so it isn't touched during
# package updates just comment it out with a single '#' character.
#
# Packages should modify this file by using update-inetd(8)
#
# <service_name> <sock_type> <proto> <flags> <user> <server_path> <args>
#
#:INTERNAL: Internal services
#echo stream tcp nowait root internal
#echo dgram udp wait root internal
#chargen stream tcp nowait root internal
#chargen dgram udp wait root internal
discard stream tcp nowait root internal
discard dgram udp wait root internal
daytime stream tcp nowait root internal
daytime dgram udp wait root internal
time stream tcp nowait root internal
time dgram udp wait root internal
#:STANDARD: These are standard services.
ftp stream tcp nowait root /usr/sbin/tcpd /usr/sbin/in.ftpd
telnet stream tcp nowait root /usr/sbin/tcpd /usr/sbin/in.telnetd
#:BSD: Shell, login, exec and talk are BSD protocols.
shell stream tcp nowait root /usr/sbin/tcpd /usr/sbin/in.rshd
login stream tcp nowait root /usr/sbin/tcpd /usr/sbin/in.rlogind
exec stream tcp nowait root /usr/sbin/tcpd /usr/sbin/in.rexecd
ntalk dgram udp wait root /usr/sbin/tcpd /usr/sbin/in.ntalkd
talk dgram udp wait root /usr/sbin/tcpd /usr/sbin/in.talkd
#:MAIL: Mail, news and uucp services.
#:INFO: Info services
finger stream tcp nowait nobody /usr/sbin/tcpd /usr/sbin/in.fingerd
ident stream tcp nowait nobody /usr/sbin/identd identd -i
#:BOOT: Tftp service is provided primarily for booting. Most sites
# run this only on machines acting as "boot servers."
#tftp dgram udp wait nobody /usr/sbin/tcpd /usr/sbin/in.tftpd /boot
#bootps dgram udp wait root /usr/sbin/bootpd bootpd -i -t 120
#:RPC: RPC based services
#mountd/1 dgram rpc/udp wait root /usr/sbin/tcpd /usr/sbin/rpc.mountd
#rstatd/1-3 dgram rpc/udp wait root /usr/sbin/tcpd /usr/sbin/rpc.rstatd
#rusersd/2-3 dgram rpc/udp wait root /usr/sbin/tcpd /usr/sbin/rpc.rusersd
#walld/1 dgram rpc/udp wait root /usr/sbin/tcpd /usr/sbin/rpc.rwalld
#:HAM-RADIO: amateur-radio services
#:OTHER: Other services
smtp stream tcp nowait root /usr/sbin/tcpd /usr/sbin/in.smtpd
nntp stream tcp nowait news /usr/sbin/leafnode
# /etc/hosts.allow: list of hosts that are allowed to access the system.
# See the manual pages hosts_access(5), hosts_options(5)
# and /usr/doc/netbase/portmapper.txt.gz
#
# Example: ALL: LOCAL @some_netgroup
# ALL: .foobar.edu EXCEPT terminalserver.foobar.edu
#
# If you're going to protect the portmapper use the name "portmap" for the
# daemon name. Remember that you can only use the keyword "ALL" and IP
# addresses (NOT host or domain names) for the portmapper. See portmap(8)
# and /usr/doc/netbase/portmapper.txt.gz for further information.
#
#-- leafnode begin
leafnode: localhost
#-- leafnode end
# /etc/hosts.deny: list of hosts that are _not_ allowed to access the system.
# See the manual pages hosts_access(5), hosts_options(5)
# and /usr/doc/netbase/portmapper.txt.gz
#
# Example: ALL: some.host.name, .some.domain
# ALL EXCEPT in.fingerd: other.host.name, .other.domain
#
# If you're going to protect the portmapper use the name "portmap" for the
# daemon name. Remember that you can only use the keyword "ALL" and IP
# addresses (NOT host or domain names) for the portmapper. See portmap(8)
# and /usr/doc/netbase/portmapper.txt.gz for further information.
#
# The PARANOID wildcard matches any host whose name does not match its
# address.
ALL: PARANOID
#-- leafnode begin
leafnode: ALL
#-- leafnode end
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