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* Internet Search Results    *** Search Filter: "Sport-Fishing"    Wichita Sports Forum | Indoor Sports & Adventure Wichita's largest indoor sports and adventure facility. Trampolines, basketball, volleyball, parties and events all under one roof. linux - iptables error: unknown option --dport - Server Fault First give a -p option like -p tcp or -p udp. Examples: iptables -A INPUT -p tcp --dport 22 -m state --state NEW -j DROP iptables -A INPUT -p udp --dport 53 --sport 1024:65535 -j ACCEPT You could also try -p all but I've never done that and don't find too much support for it in the examples. linux - Iptables: "-p udp --state ESTABLISHED" - Server Fault let's look at these two iptables rules which are often used to allow outgoing DNS: iptables -A OUTPUT -p udp --sport 1024:65535 --dport 53 -m state --state NEW,ESTABLISHED -j ACCEPT iptables -A Drop ALL the TCP connections (ESTABLISHED,RELATED) in Ubuntu It is unknown what exactly your "webserver" is, but in case of Apache see Restart Apache and Kill All Sub Processes to make sure that established connections get closed too. linux - How can I port forward with iptables? - Server Fault How about this: I'm a programmer trying to set up an environment so I can debug my server application in eclipse being called from the innernet. Close enough? ubuntu - Iptables allow DNS resolution - Server Fault At first glance you're only allowing DNS responses to be received and don't create any DNS related rules in the OUTPUT chain to actually allow sending DNS queries out. You current rules: #DNS resolution input and output iptables -A INPUT -p udp --dport 53 -d 8.8.8.8,8.8.4.4 -j ACCEPT ^^^^^ iptables -A INPUT -p udp --sport 53 -s 8.8.8.8,8.8.4.4 -j ACCEPT ^^^^^ Additionally, DNS can also use TCP ... Forwarding RDP via a Linux machine using iptables: Not working I have a Linux machine and a Windows machine behind a router that implements NAT (the diagram might be overkill, but was fun to make): I am forwarding RDP port (3389) on the router to the Linux mac... ubuntu - iptables input, output, forward - Server Fault INPUT: packets coming from the network and going to your server. OUTPUT: packets originating from your server and going to the network. FORWARD: packets forwarded by your server, if/when it acts as a router between different networks. In order to allow SSH access to your server, you have to accept the traffic in the INPUT chain. linux - nftables rules can't ping to other server - Server Fault This can't be fixed with a stateless firewall without voiding the security the firewall is supposed to provide. One can't just add: udp sport 53 accept + tcp sport { 53, 443 } accept to allow DNS replies and HTTPS replies to work, because then any remote attack can use such source ports to access any ports and thus services on the VPS system. What is the correct way to open a range of ports in iptables What you've been told is right, although you've written it wrong (you've forgotten --dport). iptables -A INPUT -p tcp --dport 1000:2000 will open up inbound traffic to TCP ports 1000 to 2000 inclusive. -m multiport --dports is only needed if the range you want to open is not continuous, eg -m multiport --dports 80,443, which will open up HTTP and HTTPS only - not the ones in between. Note that ...     * Live EBAY Auctions   * Latest PANAREA Italy 101 News        *** News Filter: "Sport-Fishing"     Fun returns with Community Fishing Events  Rural Radio Network Fall Fly Fishing Fun in New Hampshire  InDepthNH.org Catch and Release Is No Fun for the Fish  Earth Island Institute CDFW News | Line Up Some Summer Fun on Free Fishing Days  California Department of Fish and Wildlife (.gov) Hooked on a Cruel Sport  Aish.com Balancing Tournaments, Fun, and Crew Morale to Battle Fishing Burnout  Marlin Magazine I’ve Fished All Over the World. These Are My Favorite Fishing Spots in the U.S.  Outside Magazine Fishing for Fun, Not Food: Paper Takes Stock of Recreational Fishing Impacts  Yale School of the Environment Why Grand Rapids Should Be Your Next Unexpected Fly Fishing Hotspot  Sports Illustrated Fishing for Fun? It Has a Bigger Environmental Impact Than We Thought  The Revelator