That is not the argument stated in the article
Sánchez argued that Spain doesn’t need to spend 5 percent of its GDP to fulfill its so-called capability targets, meaning new objectives of weapons inventory agreed by NATO defense ministers earlier this month.
He also wrote that a 5 percent defense spending goal would jeopardize the country’s welfare system, force the government to increase taxes on the middle class, scale back commitments to the green transition and curtail international development cooperation.
“It is the legitimate right of every government to decide whether or not they are willing to make those sacrifices,” he wrote.
Rushing to 5 percent would also force Madrid to buy off-the-shelf equipment instead of fostering its own industrial base, as well as take money away from welfare policies, Sánchez also wrote.
The Spanish Socialist party is in a coalition with the junior left-wing Sumar party, which opposes increased defense spending and whose members are expected to attend a counter-summit for peace in parallel to the NATO summit.
all home routers have NAT which functions as a firewall, but VPSes don’t cone with any firewall by default, so you’d have to set one up. Also VPS ranges seem to hotter for scanning.