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[Solucionado] Sin DNS services de tanto en tanto

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Fitap
Guru
Guru

Joined: 13 Mar 2011
Posts: 437
Location: Rosario, Argentina

Posted: Wed May 17, 2017 8:39 pm Post subject: [Solucionado] Sin DNS services de tanto en tanto

Hola, tengo instalado dnscrypt-proxy y resolvconf.conf

He notado que de tanto en tanto no tengo DNS services, tanto en la notebook como en la desktop.

Como si no tuviese declarado nameservers o nameservers erroneos en /etc/resolv.conf. A ver, tiro un ping -c3 8.8.8.8 y tengo llegada.

dnscrypt-proxy para las consultas cifradas, lo tengo bien configurado; al arrancar la notebook o la desktop, hay servicio DNS. Como debe ser.

He puesto el demonio dnscrypt-proxy para que arranque en cada boot.

Code:

fitap@gentoo-Desktop-i7 ~ $ dig gentoo.org

; <<>> DiG 9.11.0-P3 <<>> gentoo.org
;; global options: +cmd
;; connection timed out; no servers could be reached

fitap@gentoo-Desktop-i7 ~ $ dig @127.0.2.1

; <<>> DiG 9.11.0-P3 <<>> @127.0.2.1
; (1 server found)
;; global options: +cmd
;; connection timed out; no servers could be reached

Este es el log de /var/log/dnscrypt-proxy en la desktop

Code:

Wed May 17 15:24:22 2017 [INFO] This certificate is valid
Wed May 17 15:24:22 2017 [INFO] Chosen certificate #808464433 is valid from [2016-05-28] to [2017-05-28]
Wed May 17 15:24:22 2017 [INFO] The key rotation period for this server may exceed the recommended value. This is bad for forward secrecy.
Wed May 17 15:24:22 2017 [INFO] Server key fingerprint is E737:6400:D646:0720:7D9D:29AB:A4C9:070C:4546:CEF7:0CFE:D62F:41E9:FEAA:C58F:6376
Wed May 17 16:25:10 2017 [INFO] Refetching server certificates
Wed May 17 16:25:10 2017 [INFO] Server certificate with serial '0001' received
Wed May 17 16:25:10 2017 [INFO] This certificate is valid
Wed May 17 16:25:10 2017 [INFO] Chosen certificate #808464433 is valid from [2016-05-28] to [2017-05-28]
Wed May 17 16:25:10 2017 [INFO] The key rotation period for this server may exceed the recommended value. This is bad for forward secrecy.
Wed May 17 16:25:10 2017 [INFO] Server key fingerprint is E737:6400:D646:0720:7D9D:29AB:A4C9:070C:4546:CEF7:0CFE:D62F:41E9:FEAA:C58F:6376

No tengo servicio DNS en la desktop, si en la notebook.

En la notebook tengo la misma configuracion para DNS que en la desktop, tambien he notado que en la notebook se freeza el demonio.

Si relanzo el servicio dnscrypt-proxy, los DNS vuelven a trabajar.

Esta es la configuracion de resolvconf.conf

Code:

# Configuration for resolvconf(8)
# See resolvconf.conf(5) for details

resolv_conf=/etc/resolv.conf

# If you run a local name server, you should uncomment the below line and
# configure your subscribers configuration files below.

name_servers=127.0.2.1
resolv_conf_options=timeout:5

Y esta otra la configuracion de dnscrypt-proxy

Code:

DNSCRYPT_LOCALIP=127.0.2.1
DNSCRYPT_LOCALPORT=53
DNSCRYPT_USER=dnscrypt
DNSCRYPT_PROVIDER_NAME=2.dnscrypt-cert.dnsrec.meo.ws
DNSCRYPT_PROVIDER_KEY=1A6A:D0A3:2B4C:5A61:A695:D153:670D:69AB:1690:3F9E:C3F7:F64F:13E5:35A3:18B2:28A5
DNSCRYPT_RESOLVERIP=185.121.177.177
DNSCRYPT_RESOLVERPORT=443

Este es el archivo /etc/resolv.conf

Code:

# Generated by resolvconf
nameserver 127.0.2.1
nameserver 127.0.0.1
options timeout:5

Saludos.

Last edited by Fitap on Thu May 25, 2017 1:40 pm; edited 1 time in total

pelelademadera
Veteran
Veteran

Joined: 14 Jul 2008
Posts: 1255
Location: La Plata, Argentina

Posted: Fri May 19, 2017 8:29 pm Post subject: Re: Sin DNS services de tanto en tanto

Fitap wrote:

Code:

Este es el log de /var/log/dnscrypt-proxy en la desktop

Code:

Y esta otra la configuracion de dnscrypt-proxy

Code:

Este es el archivo /etc/resolv.conf

Code:

# Generated by resolvconf
nameserver 127.0.2.1
nameserver 127.0.0.1
options timeout:5

Saludos.

mismo problema desde ayer...
me voy a fijar que se actualizo a ver que onda...

AGREGO:

estimo que es net-libs/enet-1.3.13

es lo unico relacionado a la red que se actualizo:

Code:

pelo-pc pelo # tail -n 500 /var/log/emerge.log | grep "completed emerge"
1494971183: ::: completed emerge (4 of 16) x11-proto/xcb-proto-1.12-r2 to /
1494971194: ::: completed emerge (5 of 16) x11-libs/xcb-util-wm-0.4.1-r1 to /
1494971205: ::: completed emerge (6 of 16) x11-libs/libxkbfile-1.0.9-r1 to /
1494971219: ::: completed emerge (7 of 16) x11-libs/libXpm-3.5.12 to /
1494971226: ::: completed emerge (8 of 16) x11-proto/xf86dgaproto-2.1-r2 to /
1494971237: ::: completed emerge (9 of 16) x11-libs/libpciaccess-0.13.5 to /
1494971252: ::: completed emerge (10 of 16) x11-libs/libXaw-1.0.13 to /
1494971274: ::: completed emerge (11 of 16) x11-libs/fltk-1.3.3-r5 to /
1494971429: ::: completed emerge (12 of 16) x11-libs/gtk+-3.22.15 to /
1494971441: ::: completed emerge (13 of 16) x11-libs/xcb-util-0.4.0 to /
1494971452: ::: completed emerge (14 of 16) x11-libs/xcb-util-image-0.4.0 to /
1494971462: ::: completed emerge (15 of 16) x11-libs/xcb-util-cursor-0.1.3-r1 to /
1494971470: ::: completed emerge (16 of 16) x11-libs/libnotify-0.7.7 to /
1494973122: ::: completed emerge (1 of 14) net-libs/enet-1.3.13 to /
1494973124: ::: completed emerge (2 of 14) app-eselect/eselect-wxwidgets-20140423 to /
1494973144: ::: completed emerge (3 of 14) media-libs/libsdl2-2.0.4 to /
1494973163: ::: completed emerge (4 of 14) media-libs/audiofile-0.3.6-r3 to /
1494973188: ::: completed emerge (5 of 14) media-libs/flac-1.3.2-r1 to /
1494973216: ::: completed emerge (6 of 14) media-libs/libsdl-1.2.15-r9 to /
1494973222: ::: completed emerge (7 of 14) net-libs/mbedtls-2.2.1 to /
1494973233: ::: completed emerge (8 of 14) media-libs/openal-1.15.1-r2 to /
1494973244: ::: completed emerge (9 of 14) media-libs/libsfml-2.3.2-r1 to /
1494973533: ::: completed emerge (10 of 14) x11-libs/wxGTK-3.0.2.0-r3 to /
1494973634: ::: completed emerge (11 of 14) games-emulation/dolphin-5.0 to /
1494973641: ::: completed emerge (12 of 14) kde-apps/libkomparediff2-16.12.3 to /
1494973651: ::: completed emerge (13 of 14) kde-apps/kompare-16.12.3 to /
1494973654: ::: completed emerge (14 of 14) kde-apps/dolphin-plugins-16.12.3 to /
1494973721: ::: completed emerge (1 of 2) media-libs/portaudio-19_pre20140130 to /
1494973751: ::: completed emerge (2 of 2) games-emulation/dolphin-5.0 to /
1494976011: ::: completed emerge (1 of 1) x11-apps/xev-1.2.2 to /
1494977263: ::: completed emerge (1 of 1) media-libs/libsdl2-2.0.4 to /
1495154331: ::: completed emerge (1 of 19) www-plugins/chrome-binary-plugins-59.0.3071.61_beta to /
1495154339: ::: completed emerge (2 of 19) sys-apps/openrc-0.26.2 to /
1495154536: ::: completed emerge (3 of 19) dev-qt/qtcore-4.8.7-r2 to /
1495154550: ::: completed emerge (4 of 19) dev-qt/qttranslations-4.8.7 to /
1495154648: ::: completed emerge (5 of 19) dev-qt/qtscript-4.8.7 to /
1495154880: ::: completed emerge (6 of 19) dev-qt/qtgui-4.8.7 to /
1495154934: ::: completed emerge (7 of 19) dev-qt/qtsql-4.8.7-r1 to /
1495155046: ::: completed emerge (8 of 19) dev-qt/qt3support-4.8.7 to /
1495155107: ::: completed emerge (9 of 19) dev-qt/qtdbus-4.8.7 to /
1495155236: ::: completed emerge (10 of 19) dev-qt/qtxmlpatterns-4.8.7 to /
1495155271: ::: completed emerge (11 of 19) dev-qt/qtsvg-4.8.7 to /
1495155309: ::: completed emerge (12 of 19) dev-qt/qtopengl-4.8.7 to /
1495155341: ::: completed emerge (13 of 19) dev-qt/qtmultimedia-4.8.7 to /
1495155372: ::: completed emerge (14 of 19) dev-qt/qttest-4.8.7 to /
1495155465: ::: completed emerge (15 of 19) dev-qt/designer-4.8.7 to /
1495155536: ::: completed emerge (16 of 19) dev-qt/qtdeclarative-4.8.7 to /
1495156371: ::: completed emerge (17 of 19) dev-qt/qtwebkit-4.8.7 to /
1495156913: ::: completed emerge (18 of 19) net-fs/samba-4.5.9 to /
1495156972: ::: completed emerge (19 of 19) kde-frameworks/kio-5.34.0-r1 to /

_________________
el pelado de la gente
------
Los habitantes de las islas Malvinas lo llaman gentoo, nombre en el que se basa la distribución GNU/Linux Gentoo, cuyo objetivo es la optimización para conseguir más rendimiento y velocidad en la ejecución.
------

Fitap
Guru
Guru

Joined: 13 Mar 2011
Posts: 437
Location: Rosario, Argentina

Posted: Thu May 25, 2017 1:40 pm Post subject:

Actualize el sistema como siempre lo hago, no he tenido mas problemas. No se que pudo haber pasado.

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