![\"\"](\"https:\/\/spgoo.org\/wp-content\/uploads\/2026\/03\/Capture-du-2026-03-31-09-28-26-1024x368.png\")
<\/figure>\n\n\n\nV\u00e9rification du param\u00e8tre ip_forward <\/p>\n\n\n\n
Pour autoriser les redirections via les interfaces r\u00e9seaux.<\/p>\n\n\n\n
sudo nano \/etc\/sysctl.conf and uncomment the line <\/span>net.ipv4.ip_forward=1<\/span><\/code><\/code><\/pre>\n\n\n\nsudo sh -c \"echo 1 > \/proc\/sys\/net\/ipv4\/ip_forward\"<\/code><\/pre>\n\n\n\nConfiguration de votre portable<\/p>\n\n\n\n
Extraire les param\u00e8tres des interfaces r\u00e9seaux de votre portable via la commande:<\/p>\n\n\n\n
ip a<\/code><\/pre>\n\n\n\n3: wlo1: mtu 1500 qdisc noqueue state UP group default qlen 1000\nlink\/ether 2c:db:07:40:84:7c brd ff:ff:ff:ff:ff:ff\ninet 10.169.1.198\/24 brd 10.169.1.255 scope global dynamic noprefixroute wlo1\nvalid_lft 86380sec preferred_lft 86380sec\ninet6 2a01:cb00:8fd5:8200:7c71:9256:6b89:19e7\/64 scope global temporary dynamic\nvalid_lft 86381sec preferred_lft 581sec\ninet6 2a01:cb00:8fd5:8200:1f8f:e870:ee7d:6f74\/64 scope global dynamic mngtmpaddr noprefixroute\nvalid_lft 86381sec preferred_lft 581sec\ninet6 fe80::1b98:e7f3:d6bf:ce29\/64 scope link noprefixroute\nvalid_lft forever preferred_lft forever<\/code><\/pre>\n\n\n\n72: enxcc483a9e8fae: mtu 1500 qdisc fq_codel state UP group default qlen 1000
link\/ether cc:48:3a:9e:8f:ae brd ff:ff:ff:ff:ff:ff
inet 192.168.1.39\/24 brd 192.168.1.255 scope global noprefixroute enxcc483a9e8fae
valid_lft forever preferred_lft forever
inet6 2a01:cb00:8fd5:8200:1997:d5e3:d927:6bb5\/64 scope global temporary dynamic
valid_lft 86400sec preferred_lft 600sec
inet6 2a01:cb00:8fd5:8200:d914:f9f2:d2b0:d565\/64 scope global dynamic mngtmpaddr noprefixroute
valid_lft 86400sec preferred_lft 600sec
inet6 fe80::4e27:cfca:4d0f:95b8\/64 scope link noprefixroute
valid_lft forever preferred_lft forever<\/code><\/pre>\n\n\n\nModification de la table de filtrage via iptables: <\/p>\n\n\n\n
sudo iptables -A FORWARD -o wlo1 -i enxcc483a9e8fae -s 192.168.1.0\/24 -m conntrack --ctstate NEW -j ACCEPT<\/code> \nsudo iptables -A FORWARD -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT<\/code> \nsudo iptables -t nat -F POSTROUTING<\/code> \nsudo iptables -t nat -A POSTROUTING -o wlo1 -j MASQUERADE<\/code><\/code><\/pre>\n\n\n\nExtension : <\/p>\n\n\n\n
Utilisation de dnsmasq pour un service simple dhcp : <\/p>\n\n\n\n
On peut utiliser \u00e9galement dnsmasq pour mettre en place si besoin un service simple dhcp pour les machines connect\u00e9es … <\/p>\n\n\n\n
- Vous devez installer dnsmasq via\u00a0sudo apt install dnsmasq<\/strong><\/span>\u00a0puis arr\u00eater le service \u00a0systemctl stop dnsmasq<\/strong><\/span>\n- Vous devez commencer par assigner une adresse IP , dnsmasq\u00a0sudo ip addr add 192.168.0.1\/24 dev enxcc483a9e8fae<\/span><\/strong> <\/span><\/code>- Modifiez \u00a0sudo nano \/etc\/dnsmasq.conf<\/strong><\/span>\u00a0then add\u00a0interface=eth0 dhcp-range=192.168.1.50,192.168.1.100,12h server=8.8.8.8 bind-interfaces domain-needed bogus-priv no-dhcp-interface=wlo1<\/span><\/span> \n- Red\u00e9marrez le service dnsmasq\u00a0systemctl start dnsmasq<\/span><\/strong><\/code><\/pre>\n\n\n\n<\/p>\n","protected":false},"excerpt":{"rendered":"
Partage de connexion Contexte : vous souhaitez partager votre connexion WIFI de portable \u00e0 un ensemble de machines interconnect\u00e9es sous un Lan pour qu’elles puissent acc\u00e9der \u00e0 l’ext\u00e9rieur. Sch\u00e9ma de l’architecture : V\u00e9rification du param\u00e8tre ip_forward Pour autoriser les redirections via les interfaces r\u00e9seaux. Configuration de votre portable Extraire les param\u00e8tres des interfaces r\u00e9seaux de […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-11953","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/spgoo.org\/index.php?rest_route=\/wp\/v2\/pages\/11953","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spgoo.org\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/spgoo.org\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/spgoo.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/spgoo.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=11953"}],"version-history":[{"count":26,"href":"https:\/\/spgoo.org\/index.php?rest_route=\/wp\/v2\/pages\/11953\/revisions"}],"predecessor-version":[{"id":11991,"href":"https:\/\/spgoo.org\/index.php?rest_route=\/wp\/v2\/pages\/11953\/revisions\/11991"}],"wp:attachment":[{"href":"https:\/\/spgoo.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=11953"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}