Last week the UN Security Council passed a resolution which imposed targeted sanctions on Eritrea for its destabilizing role in Somalia and for refusing to withdraw its troops from Djibouti. The sanctions include an arms embargo and travel restrictions on and a freeze on the assets of the political and military leaders of the regime. These sanctions are tied to two other previous UN resolutions (resolutions 751 and 1267) and seem to have some teeth, which explains the regime's freakish reaction to the resolution. You can read the full text of the resolution here.
This is a welcome development for the Horn of Africa region; the sanctions are balanced and appropriate for the offence commited. However, punishing the Eritrean regime alone will not bring peace to Somalia or stability to the Horn region. That would require a comprehensive carrot and stick approach towards all the regimes in the region and a real support to human rights and democracy advocates in the region. On this score, the Obama Administration has so far proven itself to be as worthless as the administration it replaced.