The Ubuntu help wiki page on UFW says that UFW is a configuration tool for iptables. And indeed in many places it is referred to as a firewall per se, such as in this article.

The acronym spells out to Uncomplicated FireWall, as though ufw actually implements a firewall itself. It is an essential voting right, given the potential retaliation farm workers may face if seen casting a union vote on property owned by their employer.What is UFW? You would think this is an easy question, but the more sources I read, the less clear it gets. The Agricultural Labor Relations Voting Choice Act (AB 2183) would modernize elections for farm worker unions in California by allowing farm workers the right to vote by mail - the same right that millions of California voters now exercise in establishing our state and local governments. Long concerned with the plight of farm workers - who lack the same federal rights as other private sector workers under the NLRB - the UFW launched earlier, successful campaigns to expand all California farm workers’ rights to overtime pay, heat regulations and extended pay sick leave during the COVID-19 pandemic. The UFW hails from a religious and economic justice mission focused on those furthest on the margins. 26, the United Farm Workers of America (UFW) will extend its legacy as one of the nation’s most enduring and iconic civil rights organizations by marching into the state Capitol with one simple demand: Give farm workers greater access to vote in union elections. The 24-day, 335-mile march concludes Friday with a rally at the west steps of the Capitol. The bill would let farm workers vote by mail to unionize. Supporters and members of the United Farm Workers union march in Galt on Tuesday on their way to Sacramento to ask for Gov.

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